It's 9:30 pm, children! ______ is time to go to bed.
| A．That | B．It | C．This | D．They |
—What were you doing when we were playing basketball yesterday afternoon?
—I ______ the classroom.
| A．was cleaning | B．cleaned | C．will | D．clean |
______ our teacher was ill,______ she still came to our class to teach us.
| A．Although; but | B．Though; but |
| C．Although; / | D．If; although |
—Could I borrow your camera(照相机)?
—______, but please give it back by Saturday.
| A．I’m sorry | B．Certainly not |
| C．No, thanks | D．Of course |
I won’t go to the party tomorrow ______ Lin Tao invites me.
| A．if | B．unless | C．as soon as | D．so that |
Jack ______ live with his grandparents, but he doesn’t now.
| A．used to | B．is used to |
| C．was used to | D．use to |