The policemen regretted _______ as soon as possible at the alarm.
| A．not taking action | B．not to take measures |
| C．taking no actions | D．to take no action |
Anyone in the lab has to the following dos and don’ts.
| A．observe | B．consult | C．recognize | D．direct |
—-I’m sorry, but I thought I could finish it in three days．
----．After all, you have tried your best．
| A．That's not the point | B．Certainly not | C．Never mind | D．Don’t mention it |
— Are you sure the delegation will come to our school next week?
— _____. The head of it has just emailed me about the departure time of their flight.
| A．No wonder. | B．You bet. |
| C．Don’t mention it. | D．Definitely not. |
— Joe, don’t forget to bring your laptop with you tomorrow, OK?
— Oh, thank you. I wouldn’t bring it if you _____ me.
| A．wouldn’t remind | B．haven’t reminded |
| C．hadn’t reminded | D．shouldn’t have reminded |
The painting______to someone who later donated it to the college.
| A．had sold | B．was sold | C．will sell | D．is sold |