6) Why are you standing … the middle in on at of the room?

7) I must wake … at 6 o’clock tomorrow. out me up

8) Please … I open the window? must can will

9) Sharks have … lot of teeth. a some the

10) Mount Everest is the … mountain high highest higher in the world.

EXERCISE 13Is the answer “yes” or “no”?

Which word?

1) Is a lemon a sweet fruit? yes no

2) Is an office a kind of room? yes no

3) Do eggs bounce? yes no

4) Can we put things inside drawers? yes no

5) Is April before March? yes no

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