We have done things we ought not to have done and ________ undone things we ought to have done.
| A．left | B．leave |
| C．will leave | D．leaving |
It was _____ terrible earthquake and _____ number of people who were killed reached more than 20,000.
| A．a; the | B．the; a | C．the; the | D．a; a |
---- I’m going to Betty’s birthday party. Bye-bye, Mom.
---- ____, baby.
| A．Best wishes | B．Have fun | C．Take care | D．No problem |
He is a kind-hearted boy and he will come to the Old Folks' Home whenever __________.
| A．he is convenient | B．he will be convenient |
| C．it is convenient to him | D．it will be convenient to him |
I can think of many cases______ the media have a strong effect on young men.
| A．why | B．where | C．as | D．which |
–It is said that Bob will drop out of school because his family cannot afford the school fee.
– _____, let’s give him a hand.
| A．If so | B．If only | C．Where necessary | D．Where possible |