---What made the students so upset?
---______ to go to the movie.
| A．Having not been allowed | B．Not having allowed |
| C．Because of not having allowed | D．Not having been allowed |
________you have seen both fighters,________will win?
| A．Since;do you think who | B．As;who you think |
| C．When;whoever | D．Since;who do you think |
Someone called me up in the middle of the night,but they hung up ________I could answer the phone.
| A．as | B．since | C．before | D．until |
We offered him our congratulations ________his passing the college entrance exams.
| A．at | B．on | C．for | D．of |
The doctor will be free ________.
| A．10 minutes later | B．after 10 minutes |
| C．in 10 minutes | D．10 minutes after |
The train leaves at 6:00 p.m.So I have to be at the station ________5:40 p.m.at the latest.
| A．until | B．after | C．by | D．around |