问题

Look! A book is on the floor. Whose is it?—It ______ be Rick’s. It has his name on it.

A:mustn’t
B:can’t
C:must
D:need

正确答案是：

标签： book , floor , look

同类题型

Is Mike at home?—No. He _______ with his brother.

He was _____ to tell the truth even to his closest friend.

Do you know if Jack will drive to New York this weekend?- Jack? Never! He ＿＿＿＿＿＿ driving so far.

Mr. Li, I can’t understand everything in class.—Don’t worry! I’ll ________ the main points at the end.

You are always talking about your pet dog. Could you tell me what it is like? -_______.