It was not until she got home __________ Jennifer realized she had lost her keys.
| A．when | B．that | C．where | D．before |
Hearing the loud explosion, _______ with nothing on him.
| A．out did he rush | B．out he rushed |
| C．out rushed he | D．rushed he out |
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