18. Most little fish get out of the way when they see a big fish coming. Most little fish are afraid the big fishthem. EAT
19. And most of the time they are right, but there is one little fish that goes right up into the big mouth. FISH
20. It swims between the TOOTH
of any frightening big fish, a horrible shark and moray eel included.
21. This strange little fish . the wrasse, but its name really should be the “little doctor fish”. CALL
22. I t everything: the fins, the eyes, the body and even the mouth of big fish; everything that can make the big fish sick. No wonder the wrasse is never hurt by the big fish. CLEAN
23. The big fish seem to know that the little doctor fish is helping . THEY
24. They even wait their turn to see the wrasse. They are like people SIT
in a real doctor’s waiting room.
25. This is only one of the wonders of the fish world. This is a big and still unknown world, as there i s water in the world than there is land. MANY
26. Maybe someday people will be able to live under water too. If this , HAPPEN we will find out more about our neighbours, the fish.
27. The telegraph and the telephone are similar in many ways. Both are wire-based systems. ELECTRIC
28. Alexander Graham Bell’s success with the telephone came as a result of his attempts to improve the telegraph. DIRECT
29. When Bell began his new experiments, the telegraph had already been used as an effective means of for 30 years. COMMUNICATE
30. Although a highlysystem, the telegraph, with its dot-and-dash Morse code, was basically limited to sending and receiving one message at a time. EFFECT
31 Bell’s knowledge of the nature of sound and his understanding of music taught him how to transmit many messages at the same time. FUNDAMENT
32 Bell’s “ telegraph” was able to send several HARMONY

18. Most little fish get out of the way when they see a big fish coming. Most little fish are afraid the big fish_ them. WILL/WOULD EAT

19. And most of the time they are right, but there is one little fish that goes right up into the big _ mouth. FISH'S

20. It swims between the_ TEETH of any frightening big fish, a horrible shark and moray eel included.

21. This strange little fish_ the wrasse, but its name really should be the “little doctor fish”. IS CALLED

22. It _ everything: the fins, the eyes, the body and even the mouth of big fish; everything that can make the big fish sick. No wonder the wrasse is never hurt by the big fish. CLEANS

23. The big fish seem to know that the little doctor fish is helping _. THEM

24. They even wait their turn to see the wrasse. They are like people _ SITTING in a real doctor’s waiting room.

25. This is only one of the wonders of the fish world. This is a big and still unknown world, as there is _water in the world than there is land. MORE

26. Maybe someday people will be able to live under water too. If this __  HAPPENS, we will find out more about our neighbours, the fish.

27. The telegraph and the telephone are similar in many ways. Both are wire-based_ systems. ELECTRICAL

28. Alexander Graham Bell’s success with the telephone came __ as a result of his attempts to improve the telegraph. DIRECTLY

29. When Bell began his new experiments, the telegraph had already been used as an effective means of _ for 30 years. COMMUNICATION

30. Although a highly_system, the telegraph, with its dot-and-dash Morse code, was basically limited to sending and receiving one message at a time. EFFECTIVE

31 Bell’s _ knowledge of the nature of sound and his understanding of music taught him how to transmit many messages at the same time. FUNDAMENTAL

32 Bell’s “_ telegraph” was able to send several HARMONIC