题目内容
( ) 5. [2015 • 滨州]—Look!The man at the gate be our headmaster. He is always standing there every morning.
—No,it be him. He is holding a meeting in the office now.
A. must;can't B. must;mustn't
C. can't;can't D. can't;mustn't
A
练习册系列答案
相关题目