Not until the teenager left his hometown ________ how much he loved it.
| A．did he know | B．he knew |
| C．had he known | D．he had known |
It is going to rain today. Take an umbrella with you toyou from the rain.
| A．stop | B．prevent | C．keep | D．protect |
The Browns held _____ they called"family day"once each year.
| A．that | B．what | C．which | D．when |
The whole nation is in great happiness, as we have worked another wonder, ______ several generations of sports people have been working for.
| A．one | B．it | C．that | D．those |
Don’t worry.I had a license years ago.I’m not green.
—________！I’ll tell my daughter that everything is OK on the way.
| A．What a relief | B．Congratulations |
| C．How surprising | D．I’m so sorry |
考--Jenny took the 8:00 bus to Guangzhou this morning.
--Really? She _________ the 9:00 train. It’s much more comfortable and safer to travel by train.
| A．could have taken | B．should take |
| C．must have taken | D．can take |