—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