I wondered what difficulty he had _________ the plan?
| A．to carry out | B．carrying out | C．carried out | D．with carrying out |
—Is that a book on painting? If so, I want to borrow．
—Yes, it is．
| A．this | B．it | C．one | D．the one |
—What about shirt she bought for her father?
—It’s wonderful as birthday present．
| A．a; a | B．the; a | C．the; 不填 | D．a; 不填 |
It is difficult for any of us to eat better, exercise more and sleep enough _________ we know we should.
| A．despite | B．even though | C．as if | D．unless |
Hardly _______________ when we were told to stop.
| A．did we begin | B．had we begun |
| C．were we beginning | D．were we to begin |
The girl seldom, if _____, turned to her brother for protection.
| A．never | B．ever | C．always | D．then |