1.It’s about ________ walk from here to the station.I think

1.It’s about ________ walk from here to the station.I think you can take a taxi.
A.half an hours’ B.a half hours’ C.half a hour’s D.half an hour’s为什么选D?
2.I’ve never forgotten _____ you for the first time.
A.meet B.to meet C.met D.meeting为什么选D?
3.Those _________ not only from books but also through practice will succeed.
A.learned B.who learns C.that learns D.who learn为什么选D?
4.–It’s a secret between us.Don’t tell anybody.
-- Sure,__________.
A.I won’t B.I will C.I don’t D.I do为什么选A?
5.Work hard,_______ you’ll do well in your lessons.
A.and B.or C.but D.so为什么选A而不选D?
6.Do you know if he _________ to play basketball with us?
—I think he will come if he _________ free tomorrow.
A.comes; is B.comes; will be C.will come; is D.will come; will be为什么选C?
7.It’s about ________ walk from here to the station.I think you can take a taxi.
A.half an hours’ B.a half hours’ C.half a hour’s D.half an hour’s为什么选D?