In the countryside, wood can __________ a fire.
| A．be used to make | B．be used to making |
| C．use to make | D．used to making |
There is a feeling in me _______ we’ll surely find a cure for Aids.
| A．that | B．which | C．of which | D．when |
.__________,we must believe in ourselves and believe that we can do something well.
| A．However life is difficult | B． However is life difficult |
| C．However difficult life is | D． However difficult is life |
In 1800s, a group of adventurers(探险家) ______ on their exploring trip. Five days later, they came to what is now known as Quebec.
| A．set up | B．set down | C．set about | D．set out |
---It’s said that no one ______ light a cigarette at a gas station.
--- Yes. Safety always comes the first.
| A．can | B．may | C．shall | D．must |
I don’t know ______ or not the books _____ to the homeless children next month are really useful.
| A．if, given | B．whether, to be given | C．whether, giving | D．if, which are given |