— I’m terribly sorry to have put you through so much trouble.
— _____. I know you didn’t mean to.
| A．Forget about it | B．No trouble | C．All right | D．You’re welcome |
The boy wanted to ride his bicycle in the street, but his mother told him _______.
| A．not to |
| B．not to do |
| C．not do it |
| D．do not do |
We agreed _______ here but so far she hasn’t turned up yet.
| A．having met |
| B．meeting |
| C．to meet |
| D．to have met |
—You were brave enough to raise objection at the meeting.
—Well, now I regret _______ that.
| A．to do |
| B．to be doing |
| C．to have done |
| D．having done |
The first textbooks _______ for teaching English as a foreign language came out in the 16th century.
| A．having written |
| B．to be written |
| C．being written |
| D．written |
He sent me an e-mail, ________ to get further information.
| A．hoped |
| B．hoping |
| C．to hope |
| D．hope |