A new __________ bus service to Tianjin Airport started to operate two months ago.
| A．normal | B．usual |
| C．regular | D．common |
As the saying _______, _______ who laughs last laughs best．
| A．says; who | B．goes; he | C．goes; who | D．puts; one |
An increasing number of people enjoy sun-bathing, but experts warn that too much ________of the body to strong sunlight is harmful．
| A．access | B．exposure | C．resistance | D．touch |
----Thank you for the trouble you ______ to fix my computer．
----__________!
| A．took; Don’t mention it | B．caused; You’re welcome |
| C．made; With pleasure | D．spared; It doesn’t matter |
Guess what? I ran into a good friend of mine from _______ I was at kindergarten just now!
| A．how | B．whom | C．when | D．which |
________ you kept your mobile phone on in such an important exam? It’s against the school regulation．
| A．How dare | B．How come | C．How about | D．What if |