I ________ you how to deal with the matter, but why didn’t you ask me?
| A．could show | B．were to show |
| C．had shown | D．would have shown |
It’s helpful to put students in a situation _______ they can learn how to cooperate with each other.
| A．that | B．when | C．where | D．which |
How I wish I _________ him the secret! I regret having done that now.
| A．hadn’t told | B．had told | C．would tell | D．didn’t tell |
—Who do you think will get the first prize? —Mary, of course. She ________ for the competition for months.
| A．is preparing | B．was preparing |
C．has been preparing | D．had been preparing |
All his time _______research on Chinese history, he has no time for outdoor activities.
| A．devoted to do | B．devoted to doing |
C．devoting to doing | D．is devoted to doing |
—How long do you think it will be _______ we get the loan?—Perhaps two or three months.
| A．until | B．before | C．when | D．that |