—I did not know you were good friends.
—You__________. I have known her since she moved here. You were abroad then.
| A．may have | B．needn’t have | C．couldn’t have | D．must have |
. I could have offered you some help last weekend, but I ______ with my work at that time.
| A．would be occupied | B．was occupying | C．had been occupied | D．was occupied |
______ choice you make matters little to the final result of the discussion.
| A．No matter what | B．Whichever | C．Whatever | D．No matter which |
You can’t imagine ______ when they heard the news ______ their team had won.
| A．how excited they were; that | B．how exciting they were; which |
| C．how they were excited; that | D．how they were exciting; which |
I would rather you ______ in my school, Mom.
| A．not work | B．not worked | C．didn’t work | D．not working |
How can you know whether you will succeed ______ you never try?
| A．in case | B．when | C．unless | D．even if |