For our own safety, it’s important to the traffic rules on the way to school.
A. follow B. change C. make D. break
Don’t hurry him. You will just have to be and wait until he finishes the work.
A. active B. careful C. patient D. famous
—Look at the stone bridge! Do you know it was built?
--In the1860s. It’s quite old.
A. when B. how C. where D. why
Please don’t make so much noise. I hear the speaker very well.
A. needn’t B. mustn’t C. can’t D. shouldn’t
Many wild animals are , and it’s time for us to do whatever we can to protect them.
A. on duty B. on show
C. in order D. in danger
Mr. Black’s memory is getting . As a result, he often leaves his keys at home.
A. older B. poorer
C. greater D. better
