单项选择题
A.forty to nine. B.nine to forty C.twenty to ten
In autumn, the（）fall down from the trees.A.leafB.leafsC...
单项选择题In autumn, the（）fall down from the trees.
A.leaf B.leafs C.leaves
I usually go to the office（）train.A.withB.byC.on
单项选择题I usually go to the office（）train.
A.with B.by C.on
A:（）are your parents? B: They are in China.A.WhatB.How...
单项选择题A:（）are your parents? B: They are in China.
A.What B.How old C.Where
