—When did you meet Jack for the first time？
—I met him________the airport________National Day．
| A．at；in |
| B．at；on |
| C．on；in |
| D．on；at |
We really enjoyed the school trip yesterday, ________________ it rained in the afternoon and some of us got wet.
| A．though | B．because | C．unless | D．after |
My brother _____________ some of his free time playing basketball for the school team.
| A．spends | B．saves | C．costs | D．takes |
– Could I use your mobile phone? I have to call my mom for the coming class meeting.
--Yes, of course you _____________.
| A．must | B．can | C．need | D．will |
–What do you often do _____________ classes to relax?
--Listen to music or walk around the school.
| A．over | B．between | C．through | D．across |
– Would you mind staying in such a noisy room?
– No, but my son need a ______________ place to study in.
| A．smaller | B．safer | C．quieter | D．cleaner |