We should do some things to protect the environment.For example,we shouldn’t________too many trees.
Don’t punish him for his mistakes in the exercise-book. ______, he is still a child.A. At first B. First of all C. After all.
I want to know ________ next.A. what to do it B. how to do C. what to do
This film ________ on CCTV 6 last year.A. is shown B. was shown C. will be shown
His father doesn’t allow him _______ games, he always keeps him _______his homework.A. to play, to do B. playing, doing C. to play, doing
Edison ________ one of the greatest inventors in the worldA. thinks to be B. is still thought to be C. thought to be