The next day, the group of villagers had not gone very far they entered a very narrow passage betweentwo mountains．
A．when B．while C．until D．after
Mr Black, who we all admire, is a kind but strict teacher．
A．the one B．it C．one D．as
—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
