________ you are unable to deal with it, perhaps we should ask someone else for help.
| A．Although | B．While |
| C．Since | D．Unless |
Mr. Hunter is quite popular ___ his students.
| A．about | B．for | C．in | D．with |
Ms Wright complained that her husband never asked about the price ___ he decided to buy musical disks.
| A．while | B．before | C．after | D．as soon as |
Mary came late not ___ the heavy rain, but ___ she was ill.
| A．because, because | B．because, because of | C．because of, because | D．because of, because of |
Excuse me, ___ what exactly you want me to do now?
| A．but | B．and | C．so | D．or |
___ we’ll go rafting tomorrow depends on the weather.
| A．If | B．Whether | C．That | D．Where |