---Where did you find your deskmate Tom?
--- It is in the library _______ he studied.
| A．that | B．where | C．which | D．if |
Jane’s pale face suggested that she ill, and her parents suggested that she medical examination.
| A．be; should have | B．was; have |
| C．should be; have | D．was; has |
—Waiter!
—
—I can’t eat this. It’s too salty.
| A．Yes, sir? | B．What? |
| C．All right? | D．Pardon? |
Children’s brains can’t develop properly_______ they lack protein(蛋白质).
| A．when | B．since | C．because | D．unless |
______ I had done it I knew I had made a mistake.
| A．Hardly | B．Directly | C．Mostly | D．Nearly |
Elbert Einstein, for ______ life had once been very hard, was successful later in science .
| A．whom | B．whose | C．which | D．his |