—What do you think of that housewife?
—She is _____ of a good housekeeper, for the children’s room is always a terrible mess.
A．nobody B．somebody C．nothing D．something
It is uncertain side effect the medicine will bring about , though about one thousand patients have taken it.
A. that B. whether C. what D. how
—We all had a lot of fun at the barbecue yesterday. Pity you weren’t there.
— I really should have gone with you, but I ________ on some remaining problems.
A. was workingB. would workC. workedD. had worked
The concert by Lang Lang was so well ______ that all the tickets had been sold out on the first three days last month.
A. received B. recognized C. admitted D. taken
She is a quiet girl at school，but sometimes she _____ be very naughty.
A. should B. would C. will D. can
____ he met with the difficulty did he realize that our help was of great importance
A. It was only whenB. Never untilC. Only beforeD. It was not until
