英语单项选择题您好!1.There is a few small rivers_____the foot_____the

英语单项选择题
您好!
1.There is a few small rivers_____the foot_____the mountain.
A.in,of B.at,of C.with,for D.on,of
2.Look!Some children_____on the river.
A.are boat B.are boating C.is boating D.boating
3.Listen!Someone_____in the next room.
A.singsing B.sings C.is sings D.is singing
4._____your help,we finished thework on time.
A.Thanks of B.Thanks to C.Thanks D.Thanks for
5.He has his clothes_____once a week.
A.washed B.wash C.to wash D.washing
会不会很简单啊---汗~
在我的书上第二题和第三题答案是矛盾的，还有一些题答案莫名其妙的，所以想要问一下