As we all know, it’s not polite to keep others_________for a long time.
A.wait B.waited C.to wait D.waiting
In the future, robots will do jobs in place of people in order not to get us .
A. bored; bored B. boring; boring
C. boring; bored D. bored; boring
（2017年山东德州）As soon as I heard the news that I passed the driving test, I felt _____ at once.
A.angry B.relaxed C.afraid D.nervous
Mrs. Yang always keeps herself ________all day. I think she should spend more time ________her family.
A.work; and B.working; in
C.work; in D.working; with
Our dream will come true if we ________ on our study. So I________ study harder.
A.make an effort; plan to B.make an effort to; make a plan to
C.make an effort; make plans D.make an effort to; make plans to
— I want to________ my friends’ home this afternoon. Would you mind my________ back a little late?
—Not at all. Just go ahead.
A.drop by; come B.dropped in; coming
C.drop by; coming D.dropped at; come
