____ hour (A) a (B) an 并说明理由

____ hour (A) a (B) an 并说明理由 Mary spent half ____ hour doing ____ work.A.a;an B.an;a C.a;the D.an;the There are sixty minutes in ____ hour . A.a B.an C.the D./ 选择填空 we spend an hour watching TV同义句It____ ____ an hour ____ ____ a film. it takes him one hour ____ A.cook B.cooking C.to cook D.cooks It'll be ready ____ half an hour.A.on B.in C.after D.ago 祈使句____ and I will get the work finished.A.Have one more hour B.One more hour为什么选B不选A,祈使句嘛. They will be back ____.A.for half an hourThey will be back ____.A.for half an hour B.after half an hourC.half an hour ago D.in half an hour ___________ hour (a)an (B) a The journey takes_____.A.half an hour B.an hour half C.a half hour D.half a hour they walked for.A,an hour B.half a hour C,half an hour 选哪个 问两道有关数词的英语选择题1 It is about ____ walk from here to the officeA half an hour`s B a half hour`sC half a hour`s D half an hour`s2 Mr.Zhang will come soon.Please wait ____ minutes.A a little more B a few moreC more a little D mor ( )29.It takes me half ____ hour to go to school on foot.A.a B.an C.the D./ there is ____ u in the word hour A:a B:an C:the （尽量详细点） How long does it take?It takes ( )A.half an hour B.hour C.two hour D.half a hour The workers in our company are paid by ____.A.the hour B.an hourC.hours D.hour请说明原因! One and a half______a.hour b.hours Be quick!They've been waiting for us for ____ hour and ___half.A.an,a B.a,an C.a,/ D./,a