— Did you have a good time last night?
—Yes, I did. It was a long time since I _____ myself.
| A．haven’t enjoyed | B．didn’t enjoy | C．enjoy | D．had enjoyed |
They kept trying _____ they must have known it was hopeless.
| A．if | B．because | C．when | D．where |
——What should I wear to attend his wedding party? ——Dress ____ you like.
| A．what | B．however | C．whatever | D．how |
He is only too ready to help others, seldom, ____, refusing them when they turn to him.
| A．if never | B．if ever | C．if not | D．if any |
It is what you do rather than what you say______matters.
| A．that | B．what | C．which | D．this |
He studied as hard as he could _____ to enter a good college.
| A．hope | B．to hope | C．hoping | D．hoped |