—Does your father smoke?
— ,it's 2 years since he .
A.Yes; smoked B.No; smoked C.Yes; smokes D.No; has smoked
Do you know the of the saying I just quoted?
A.resource B.cause C.course D.source
Liu Xiang's Olympic dreams were shattered(破灭)for second time when he unfortunatelycrashed at first barrier in the ll0m hurdles heats in London.
A.the; the B.a; a C.a; the D.the; a
—I see you got a "D" in biology._ ?
—Well, I found that subject hard. I think I'II drop it for history.
A.How about that B.What for
C.How come D.What's your next plan
Some aspects of a pilot's job be boring, and pilots often work at inconvenient hours.
A.can ; have to B.may ; can
C.have to; may D.ought to; must
Though it's a challenging job, he did it it took me.
A.one-third a time B.one – third time
C.the one - third time D.one - third the time