皮皮学，免费搜题
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搜题
【单选题】
1- 氯丁烷, 2- 氯丁烷, 2- 甲基 -2- 氯丙烷与碘化钠/丙酮反应速度最快的是A.
2- 甲基 -2- 氯丙烷
B.
2- 氯丁烷，
C.
1- 氯丁烷，
D.
1- 氯丁烷和2 -甲基-2- 氯丙烷一样快
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知识点：
皮皮学刷刷变学霸
举一反三
【单选题】Your hair wants ______ you’d better have it ______ in a couple of days.
A.
to cut, done
B.
to cut, to be done
C.
cutting, done
D.
cutting, being done
【简答题】Your computer doesn’t work。.You’d better have it . A．to repair B．repairing C．repaired D．to be repaired
【单选题】Your hair is too long. You’d better have it ______.
A.
cut
B.
to cut
C.
cutting
D.
Cutted
【简答题】Your shirt needs (iron). You’d better have it done today.
【简答题】Your_______(头发需要理一理)．You’d better have it done tomorrow.
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