Astronaut Zhai Zhigang has become the first Chinese_____in space.
| A．walking | B．walked | C．to have walked | D．to walk |
It is the third time so far that such a festival ________in my hometown.
| A．has held | B．has been held | C．will be held | D．had been held |
In China, smokers have to face the reality that ______ people are dying of lung cancer.
| A．a great number of | B．a great deal of | C．a good many of | D．the number of |
Not all the students follow the rules. Which of the following statement has the same meaning？
| A．None of the students follow the rules. |
| B．All the students don’t follow the rules. |
| C．No students follow the rules |
| D．All of the above |
The farm grows various kinds of crops, _______ wheat, corn, cotton and rice.
| A．for example | B．as | C．so that | D．such as |
The boss insisted that every minute ______ made full use of ______ the work well.
| A．be; to do | B．was; doing | C．be ; doing | D．was ; to do |