问题
Sally has a sister _______Class Two. They are twins.[ ]
A: in
B: at
C: on
D:of
B: at
C: on
D:of
正确答案是：
同类题型
Whose book is this?—It________ be Ning’s because it has her name on it.
Miss Fang is _________ English teacher. ___________ is a good teacher.
Please cut __ the banana __ small pieces.[ ]
Has your father finished his report?—Sorry，I don’t know．He ________ it this morning．
The first thing we should do is to protect the wild animals .