.
Researches have shown that milk alone does not_________strong bones.
| A．contribute to | B．result from | C．attend to | D．lie in |
＿＿＿＿the fog, we should have reached our school.
| A．Because of | B．In spite of | C．In case of | D．But for |
He had an expression of resentment（不高兴）, as if Martin＿＿＿a fool of him.
| A．had made | B．makes | C．made | D．would make |
“Would you have told him the answer had it been possible?”
“I would have, but I ＿＿＿＿so busy then.”
| A．had been | B．were | C．was | D．would be |
If I＿＿＿you, I＿＿＿＿more attention to English idioms and phrases.
| A．was； shall pay | B．am； will pay |
| C．would be； would pay | D．were； would pay |
If you really want yourself to be in good health, you must＿＿＿always＿＿＿so much.
| A．not； be smoking | B．not； have smoked |
| C．not； to smoke | D．be not； smoking |