----- Why does Sara know so much about Angkor Wat?
----- She _________ have been there, or….
| A．must | B．oughtn’t to | C．may | D．can’t |
----- ________ for the fire!
----- It's OK. I’ll be careful enough.
| A．Look up | B．Look around | C．Look through | D．Look out |
There is some doubt whether he will______ at the meeting.
| A．turn on | B．turn up | C．turn down | D．turn off |
The reason______ he was late for work was______ he didn’t get up early.
| A．for, because | B．which, because | C．why, that | D．for, that |
Before building a house, you will have to ______ the government’s permission.
| A．get from | B．hear from | C．ask for | D．go for |
The government has to close those small factories to prevent the water of the river___.
| A．from polluting | B．polluted | C．polluting | D．being polluted |