I have lost one of my gloves. I _____ it somewhere.
| A．must drop | B．must have dropped |
| C．must be dropping | D．must have been dropped |
In our class there are 46 students, _____ half wear glasses.
| A．in whom | B．in them | C．of whom | D．of them |
They are broadening the bridge to ________ the flow of traffic.
| A．put off | B．turn on | C．speed up | D．work out |
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 |