—Helen must obey her parents.
—Oh，she must，__________?
| A．must she | B．mustn’t she |
| C．shouldn’t she | D．should she |
Lucy apologized for______to inform me of the change in the plan．
| A．being not able | B．not to be able | C．not being able | D．not be able |
It won’t be long ________we meet again．
| A．before | B．after | C．until | D．since |
He wants to make____as a writer．
| A．that | B．this | C．it | D．him |
There are many inconveniences that have to be ______when you are camping．
| A．put up with | B．put up | C．put off | D．put away |
In the dark street,there wasn’t a single person________she could turn for help．
| A．that | B．who | C．from | D．to whom |