问题
When the apples______ the tree are red ,you can always see many boys ______ the tree. [ ]
A: in；on
B: in；in
C: on；on
D:on；in
B: in；in
C: on；on
D:on；in
正确答案是：
同类题型
Lin Too, open _______door, please. —I’ m coming, Mum.
Most of the children are generous ______ people.[ ]
When the teacher came in, all of us _______.
If you don’t work _______ enough, I don’t think your dream will come_______.
Tony, do you know Mike’s phone number?– No, but I can _____ in my phone book.