—I really don't know what I ________yesterday without the bike you lent me.
—Glad to have been some help to you.
| A．could do | B．should have done |
| C．had done | D．could have done |
-- Do you think he will come to my birthday party?
-- _______. He is a man of his word.
| A．I can’t agree more | B．You can count on it |
| C．That’s all right | D．It’s none of your business |
He made a wonderful discovery, ___ of great importance to science.
| A．which I think is | B．which I think it is | C．which I think it | D．I think which is |
To the ___ of the manager, there are so many people who are ___ with the products made in his company.
| A．satisfy; satisfied | B．satisfying; satisfied | C．satisfaction; satisfied | D．satisfaction; satisfying |
With the help of the soldiers, many people ______ in the ruins were saved.
| A．trapping | B．having trapped | C．to be trapped | D．trapped |
After a day’s walk in the desert, the explorers reached the camp, _______.
| A．tired and hungrily | B．tiring and hungry |
| C．tiredly and hungrily | D．tired and hungry |