Chinese must have the largest number of speakers, ________ ?
| A．mustn’t that | B．haven’t they |
| C．don’t they | D．doesn’t it |
A heated debate was set off by his proposal at the meeting yesterday over _______it is practical in our area.
| A．what | B．when |
| C．whether | D．that |
I will be surprised if you can get Calvin, who is a close-fisted man, ________ these donation draw tickets from you.
| A．buy | B．to buy |
| C．buying | D．buys |
The fog was so heavy this morning that drivers could hardly ________ the things just ten meters away from them.
| A．turn out | B．look out |
| C．make out | D．let out |
This is the most serious and worst situation ________ I have ever experienced as a fan of the NBA.
A. which B. when
C. that D. where
Time is pressing; it’s impossible for me to get there in an hour, ______ the possible delays.
| A．allowing for | B．answering for |
| C．accounting for | D．heading for |