-- Are you happy with this laboratory?
-- Not a little. We can’t have ________.
| A．a worse one | B．a nicer one | C．a worst one | D．a nicest one |
Mr. Black decided to give up his farm and devoted all his time to_______those children living on the street.
| A．help | B．being helped | C．be helping | D．helping |
People ________do exercise every day have a better chance of staying healthy than those ________don’t.
| A．who; / | B．/; who | C．who; who | D．/; / |
----Sorry to say I can’t play basketball with you this afternoon, for I’ll have to prepare for the coming examination.
-----________. Have some fun!
| A．Don’t be a wet blanket | B．It’s a piece of cake |
| C．Don’t pull my leg | D．We’re all ears |
It was an exciting moment for these fans this year, _____ for the first time in years they saw their favorite singers.
| A．that | B．which | C．when | D．while |
He likes to sleep with the window ________ and the door ________ at night.
| A．opened, closed | B．open, close | C．opened, close | D．open, closed |