Last night, before the exam, I went over the lessons_______I couldn’t keep my eyes open to stay awake any longer．
| A．before | B．until | C．unless | D．when |
Making a speech in front of a crowd of people is not his strength but he ______ it with his heart and efforts．
| A．takes advantage of | B．makes up for |
| C．1ives up to | D．gets hold of |
There are more than 740 million Chinese ______ to second-hand smoking in public places now.
| A．are being exposed | B．to expose |
| C．having been exposed | D．exposed |
Ning Zetao, who won four golds at the 2014 Incheon Asian Games, ______ himself as a new swim star.
| A．considered | B．developed |
| C．distinguished | D．represented |
Sorry to have kept you waiting so long, but it’ll still be some time ______ Mr. Smith is available.
| A．when | B．before | C．after | D．since |
— I was very angry with Kelvin yesterday.
— I know your feelings, but if you forgive him, you ______ a bigger man.
| A．will be | B．have been |
| C．would be | D．were |