How many boys are there in the classroom? _____________ten boys.
| A．It is | B．These are | C． There is | D．There are. |
— ______ is it from your home to your school?—Two kilometers.
| A．How much | B．How often | C．How far | D．How long |
—Why do you look tired?—Because I until 11:50 last night.
| A．stayed up | B．stayed away | C．stayed at | D．stay in |
She was ill, she still went to work and tried her best to do the work.
| A．though | B．because | C．if | D．but |
When he heard a cry for help, he ran out as as he could.
| A．hardly | B．quickly | C．quietly | D．slowly |
—I saw Kate in the park this morning.
—It ______ her. She moved to Canada last week.
| A．can be | B．must be | C．can’t be | D．mustn’t be |