If you ____________ of Mary, ask her to come and see me.
A. lose sight of B. catch sight of
C. are in the sight of D. are at the sight of
It was in the university ten years ago, _________ they met in September for the first time, _________ they fell in love with each other.
A. that; when B. when; that C. that; where D. where; that
Professor Smith, along with his assistant, ________on the project day and night to meet the deadline.
A. work B. working C. is working D. are working
Some researchers believe that there is no doubt ______a cure for AIDS will be found.
A. which B. that C. what D. whether
If you go by _________train, you can have quite a comfortable journey, but make sure that you get＿fast one.
A. the; the B. /; a C. the; a D. /; /
—I would like to pick up your sister for you. But I don’t know her. _____?
—A middle-aged woman with a round face, wearing a red blouse.
A. How about your sister?
B. What do you think of your sister?
C. What is your sister like?
D. What does your sister do?
