The zoo will have to close ________ the local government agrees to give extra money.
| A．until | B．when | C．unless | D．if |
The teacher together with the students ________ discussing Reading Skills that ________ newly published in America.
| A．are；were | B．is；were |
| C．are；was | D．is；was |
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 |