To save class time, our teacher has ________ students do half of the exercises in class and complete the other half for our homework.
is obviously right is to give all children equal opportunities to develop their special gift.
The science of computer, rapid progress has been made in recent years,plays a very important role in our daily life.
Since you have such good preparations, there ______ be any problem about passing the coming job interview.
— How long do you suppose it is ______ he arrived here? — No more than half a week.
— Could you meet me at the airport? — I'd like to,but I'm afraid I ______ a very important meeting when you return.