—Has Sam finished his report?
—I have no idea. He _______ it in his office the whole morning.
A. writes B. has written
C. will write D. was writing
You may go fishing if your work _______.
A. will be done B. has done
C. was done 
D. is done
Follow your teacher’s advice, _______ you’ll make great progress in your English.
A. or B. and C. but D. so
You _______ write the poem
down. Our teacher will give us a copy.
A. can’t B. shouldn’t C. needn’t D. mustn’t
Knowing how to _______ a map can help you when you are travelling in a strange place.
A. read B. watch C. look D. see
Now the air in our city is _______ than it used to be. Something must be done to stop it.
A. very good B. much better C. rather bad D. even worse
