It is a good way to keep both teachers and students_______.
A. to happy B. happying C. happy D. happily
But none of the artists knew _____to make the King happy.
A. when to do B. what to do
C. how to do D. where to do
Now the traffic in our city is becoming ______.than before.
A. much heavier B. more heavier
C. much heavily D. very heavier
I ______play the piano when I was a young boy .
A. wasn’t used to B. wasn’t use to
C. didn’t use to D. didn’t used to
---May I play soccer with Tom now, Mum? ---When all the homework ______, you may go out to play.
A. finish . will finish
C. is finished D. will be finished
____ is believed that Bell invented the first telephone in 1876.
A. This B. That C. it D. One
