----Putting on a happy face not only helps to make friends, but also makes us feel better.
----_________________.
A. I’d love to B. It’s up to you
C. I’m with you on that D. It’s my pleasure
When we saw the road with snow, we decided to spend the holiday at home.
A. block B. to block C. blocking D. blocked
—Has Tom finished his task yet?
—I’m not sure. But he _____ on it last week
A. was working B．has been working
C．worked D．had been working
It was with the help of the local guide the mountain climber was rescued.
A. who B. that C. when D. how
Harry is feeling uncomfortable. He _______too much at the party last night.
A. could drink B. should drink
C. would have drunk D. must have drunk
A clean environment can help the city bid for the Olympics, which ________ will promote its economic development.
A. in nature B. in return C. in exchange D. in fact
