问题
His writing is so neat that it’s easy for the teacher to make out ______ he is trying to express.
A:what is it that
B:that it is what
C:that is it what
D:what it is that
B:that it is what
C:that is it what
D:what it is that
正确答案是：
同类题型
Scientists warn us _____ the need tokeep an eye ____ the greenhouse effect.
There are two trees . One bird is singing in _____tree and two boys are sitting under ____.
Scientists also have no idea how long it will be before all wild animals in the cages _____.