More historical buildings in the old town will fall down ________we try our best to protect them.
| A．if | B．since | C．unless | D．in order that |
—Let’s go to the church tomorrow, shall we?
—Why not _______ there on Sunday?
| A．consider going | B．to consider going |
| C．considering to go | D．considering going |
The kids found it hard to ________ because there is a party in the next room.
A. keep still
B. make a mess
C. in silence
Tom Sawyer is very _______ because he is willing to do things which are difficult or dangerous.
A. hard-working
B. brave
C. polite
The APEC meeting is the main _______ of Beijing now.
A. survey
B. director
C. event
When the right chance _______, she will take it.
A. comes along
B. pass out
C. join in