If you try to sit on two chairs，you will fall them For life，you must
choose one chair．
A between B under C among D into
A: Have you heard from Jim?
B: No, I haven’t.
The underlined part means”_______”.
| A．Heard of the letter | B．received a letter from |
| C．written a letter from | D．heard about |
They usually have lunch at school, ________?
| A．haven’t they | B．do they |
| C．don’t they | D．have they |
Get up early and do exercise every day, _______you won’t have a strong body.
| A．but | B．for | C．and | D．or |
I don’t know if he _______tomorrow.
| A．Will come | B．comes | C．came | D．has come |
Children, will you finish _________the classroom before 5:00 p.m.?
| A．clean | B．to clean | C．cleaned | D．cleaning |