i read english stories [ ] twice a week A.about B.at c.for D

i read english stories [ ] twice a week A.about B.at c.for D i read english books( about )three times a week 用about,那用for I( )the book twice before:A.read B.have readed C.have read D I read English ____twice a week这个句子,下划线处为什么要用about而不是for? I can learn a lot [ ] English and math.A.at B.in C.about D.f I usually leave（）school at about 6：30. A.to B.about C.for D. I am _______ duty this week A.in B.at C.on D.for How about reading some stories?A:I do; B:why; C:I'd like to; 每周几次（once/twice/three …times a week）前面用什么介词 A about B for C I am going to read a book _____ science.A.for B.on C.in D.at 单项选择1.He'll come back___a week.A.at B.for C.in D.during2.I t I have read the book ( ) "Moment at Pecking" twice.A named B