They had a wonderful time _______________ .
| A．chat on the Internet | B．chatting on the Internet |
| C．chat in the Internet | D．chatting in the Internet |
__ nice film Wolf Totem (狼图腾） is! I'd like to see it again if l am free.
| A．How | B．What an | C．What | D．What a |
I will telephone the police and complain about it__ the noise stops soon.
| A．unless | B．though | C．because | D．if |
Take the exam carefully, __ you won't get good marks.
| A．and | B．or | C．so | D．but |
The students__to be very strict with themselves in their study and work.
| A．can | B．may | C．ought | D．should |
My brother can work out problems__ than any other student in his class.
| A．quickly | B．quick |
| C．more quickly | D．quicker |