问题

It’s hard to say what kind of person he is.Sometimes he is very friendly；at other times he________be very cold.[ ]

A:can
B:must
C:will
D:shall

正确答案是：

同类题型

It will be a while_____ the real-estate problems _____ are the root cause of the price rises are solved

下列各句中，加点的成语使用正确的一项是（）

Your ______ as a student will be excellent if you develop a habit of reflecting on how you learn.

在下列各句加点的成语使用恰当的一句是（）

Just like fingerprints, each person’s DNA is ________ unless he has a twin.[ ]