So much progress ________ made in studies that he is sure to pass the coming examination.
A．is he B．has he C．he is D．he has
The computer was used in teaching.As a result，not only ________，but students became more interested in the lessons.
A．saved was teachers' energy
B．was teachers' energy saved
C．teachers' energy was saved
D．was saved teachers' energy
Some of you may have finished Unit One.________，you can go on to Unit Two.
A．If you may B．If you do
C．If not D．If so
The young ________ the hope of our country.
A．is B．are C．were D．was
Little ________ that we were watching his every move，so he seemed to be going his own way in this business.
A．he realized B．he didn't realize
C．didn't he realize D．did he realize
The singer and dancer ________ come to the party tonight.
A．is to B．are to
C．are going to D．was to
