The chairman ________ hold office for five years according to the constitution.
| A．might | B．could |
| C．need | D．shall |
I think our boat can pass the treacherous water ______ cautiously handled.
| A．until | B．if | C．lest | D．with |
The engineers are going on with their highway project, _____the expenses have risen.
| A．even though | B．just because | C．now that | D．as though |
The fuel must have been finished, ____ the engine stopped.
| A．since | B．as | C．because | D．for |
The washing machine ___ last Wednesday works well.
| A．I bought | B．I bought it | C．which I buy | D．that I bought it |
Mayor will make an inspection of our school on Monday, ___ you can tell him how hard the situation we are in.
| A．where | B．which | C．when | D．that |