Tiring as it might be, the military training ______ the best opportunity to make lifelong friends.
| A．is believed to be | B．believes as |
| C．is believed to being | D．believes |
The door remained ____. I didn’t know where he had gone to .
| A．closed | B．closing | C．close | D．to be closed |
---_____is his mother? ----She is a lawyer.
| A．How | B．What | C．Where | D．How old |
---We are going to have a picnic tomorrow. It won't rain, will it? ---_____.
| A．Yes, it won't | B．No, it will | C．Yes, I think it not | D．No, I don't think so |
____ it is to collect stamps!
| A．What a great fun | B．What great fun | C．How great a fun | D．How a great fun |
---What do you think of this maths problem? Is it too hard?----Not ___.
| A．at all | B．in all | C．for all | D．all |