You will fall behind others_______ you work hard.
| A．if | B．unless | C．though | D．since |
You can eat________outside．
| A．at |
| B．／ |
| C．in |
| D．on |
I arrive late________school this morning．
| A．at |
| B．for |
| C．from |
| D．in |
They walked because they couldn’t afford________a taxi．
| A．taking |
| B．to take |
| C．take |
| D．took |
Ben is a foreign teacher．So far，he________in Shiyan for five years．
| A．was teaching |
| B．has taught |
| C．will teach |
| D．taught |
Because of the bad weather，we have to________the meeting till next week．
| A．take off |
| B．get off |
| C．put off |
| D．set off |