(2012年哈尔滨模拟)Mary has got the first place in the 100meter race. ________she looks so excited.
When a pencil is partly in a glass of water, it looks as if it __________.
__________ smoking, he would not have got cancer in the lung.
—If only I__________ morning exercises regularly earlier! —Yes. Be quick to join us now.
—I've told everyone about it in our class. —Oh, I'd rather you __________.
—I still haven't given him my gift. —It's time you __________.