英语练习题(每题都要说明为什么要这样做）

英语练习题(每题都要说明为什么要这样做）
1.Mother said that cook-ing ____much time every day.
A.paid B.spent C.made D.took
2.Don't forget to return the library book,_____?
A.will you B.can you C.do you D.are you
3.----Is that a boy swimming in the lake
----I can't fine out _____.
A.If it's a boy ang a girl B.that it's a boy or a girl
C.whether it's a boy or a girl D.if he is a girl or not