May I use your pen please? I have no pen ___.
| A．to write | B．to wtite with | C．for writing | D．to write by |
— Tom was late for work this afternoon.
— _____？As far as I know, he is fairly punctual.
| A．Why not | B．So what | C．How come | D．How about |
— I rang you at about nine, but there was no reply.
— Oh, that was probably _____I was seeing the doctor.
| A．why | B．when | C．what | D．That |
— There'ssomeone knocking on the door. Who _____it be?
— It must be Mary. She promised to be here at 8：00.
| A．must | B．need | C．shall | D．Can |
Www.sda.gov.cn, which has _____food and drug channel with clear explanations, is _____very popular website.
| A．a, a | B．a, the | C．the, / | D．/ ; a |
It’s years since we last saw each other .So much____ that I can hardly recognize him.
| A．has he changed | B．he has changed |
| C．he does change | D．he changes |