——Doctor, what do you think about the operation on my mom?
——Couldn’t be better．I’m sure she’ll recover ___________.
| A．one by one | B．side by side |
| C．by and by | D．by the by |
We sat on the dry grass our backs to the wall , chatting cheerfully.
| A．with | B．over | C．against | D．upon |
It is not yet known how these huge stones were conveyed a distance of 380 kilometres 3 000 years ago.
| A．at | B．for | C．over | D．in |
_____to give up smoking ,he threw away his _____cigarettes.
| A．Determined, remained | B．Determined, remaining |
| C．Determining, remained | D．Determining, remaining |
The airplane _____late, for we didn’t see the famous pop singer until 10 pm.
| A．must be | B．will be | C．would have been | D．must have been |
The doctor suggested she ____in bed, while her smiling face suggested there ____nothing serious.
| A．stay, was | B．stayed, was | C．stayed, be | D．stay, be |