She devoted herself __________ to her research and it earned her a good reputation in her field.
| A．strongly | B．extremely |
| C．entirely | D．freely |
When a pencil is partly in a glass of water, it looks as if it __________.
| A．breaks | B．has broken | C．were broken | D．had been broken |
__________ smoking, he would not have got cancer in the lung.
| A．Was he given up | B．Had he given up |
| C．Did he give | D．If he gave up |
—If only I__________ morning exercises regularly earlier!
—Yes. Be quick to join us now.
| A．do | B．did | C．have done | D．had done |
—I've told everyone about it in our class.
—Oh, I'd rather you __________.
| A．don't | B．hadn't | C．couldn't | D．wouldn't |
—I still haven't given him my gift.
—It's time you __________.
| A．do | B．did | C．had | D．would |