—Is Jack on duty today?
—It________ be him. It’s his turn tomorrow.
| A．mustn’t | B．won’t | C．can’t | D．needn’t |
If what parents say is not ______ with what they do, it will have a bad effect on their children.
| A．contrary | B．consistent | C．confident | D．considerate |
After a heated discussion, the employees presented many ______ suggestions which might help improve the quality of the company’s product.
| A．accurate | B．optimistic | C．positive | D．temporary |
The more one is ______ the English-speaking environment, the better he or she will learn the language.
| A．kept up | B．filled in | C．caught in | D．exposed to |
Everyone can ______ and every dollar counts, please join us and donate some money to help earthquake victims.
| A．make a success | B．make a promise | C．make a point | D．make a difference |
Premier Wen Jiabao showed his sorrow to the dead and ordered that the necessities be _______ as soon as possible.
| A．imitated | B．constructed | C．conveyed | D．collected |