--- Can I help you, sir?
---I’m afraid you can’t. I have my students’ papers________.
| A．to be graded | B．graded | C．grade | D．to grade |
Gradually, you will realize the things that matter are______that can’t be bought with money.
| A．these | B．those | C．ones | D．some |
— Hello, may I speak to Mr. Wu?
— I’m afraid he is not in now. ______ I take a message?
| A．Should | B．Can | C．Will | D．Shall |
—Did she say something in the lecture that _____you?
---Not really. Actually I felt sleepy over his speech.
| A．applied to | B．attached to | C．referred to | D．appealed to |
Scientists don’t think that a warm winter always has a negative influence on our life,____?
| A．don’t they | B．do they | C．hasn’t it | D．has it |
David knocked at the door for nearly half an hour______Mary opened it, unwilling.
| A．when | B．while | C．until | D．before |