—What do you think of it?
—Well，it’s worth doing ________ the result is satisfactory.
| A．the moment | B．as soon as |
| C．once | D．so long as |
I like swimming，while what my brother enjoys ______.
| A．cooking | B．to cook | C．is cooking | D．cook |
We’ll be free tomorrow，so I suggest ______ to the history museum.
| A．to visit | B．visiting | C．we should visit | D．a visit |
Who would you rather ______ you repair your CD player?
| A．help | B．helped | C．helping | D．to help |
Who would you rather ______ the report instead of you？
| A．have write | B．have to write | C．write | D．have written |
He will tell you _____ he expects will win such a match.
| A．why | B．whom | C．which | D．who |