O'Neal works hard. He is often seen _______ heavily before his teammates have even arrived at practice.
| A．sweated | B．to be sweated |
| C．sweating | D．being sweated |
______children get older, Doherty said, their brains may develop the ability to indentify visual context.
| A．As | B．When | C．While | D．Since |
_____, I think, and the problem can be settled.
| A．If you double your efforts | B．If you make greater efforts |
| C．If you spare no efforts | D．Some more efforts |
Just because Tom has made some mistakes, _____you follow that he is a bad boy?
| A．must | B．can | C．should | D．would |
He ______ chess well. But since he graduated from university, he almost has had no time to touch it.
| A．played | B．plays | C．has played | D．had played |
—I’m going to Paris this weekend.
—What a(n)________! So am I.
| A．convenience | B．consequence | C．circumstance | D．coincidence |