______ he was absent, I was expected to take his place greatly surprised me, for I didn’t have much experience.
| A．If | B．If that | C．That if | D．That |
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－Don’t be late for the meeting this afternoon!
－_______
| A．No, I won’t. | B．Yes, I won’t . | C．No, I don’t. | D．Yes, I do. |
.
Water as well as other resources ______ all over the world every day.
| A．is wasted | B．are wasted | C．waste | D．wastes |
.
The teaching building is _________ by many trees, some ______ over 30 metres.
| A．surrounded, measuring | B．surrounded, measured |
| C．surrounding, measured | D．surrounded, measure |
.
They ________ to finish the project before Sunday, but they didn’t make it because of the heavy snow.
| A．succeeded | B．tried | C．managed | D．thought |
.
She was educated at Beijing University, _____she went on to have her advanced study abroad.
| A．after that | B．from that | C．from which | D．after which |