There are 40 students in our class. ______ of them, about 35, sleep 8 hours every night.
| A．None | B．Any | C．Most | D．All |
He was last seen _________in his office at about 7:15 p.m..
| A．work | B．working | C．to work | D．worked |
The number of chairs in the room __ ten. I’m afraid a number of chairs in the room ___ lost.
| A．is; is | B．is; are | C．are; is | D．are; are |
—Have you ever seen the movie called Los Angles 2011?
—Yes, but I think it’s ______. I fell asleep when I saw it.
| A．exciting | B．boring | C．bored | D．excited |
The murder happened _______ between nine and eleven last night.
| A．sometime | B．sometimes | C．some time | D．some times |
you practice your English every day, you won’t make any progress on it.
| A．Although | B．Unless | C．If | D．Since |