— Have you called Mr. Johnson’s office?
— Yes, he back before tomorrow. So he can attend our meeting on time.
A. expected
B. is expected
C. is expecting
D. is to expect
网友回答
A. expected
(答案→)B. is expected
C. is expecting
D. is to expect
解析：考查动词的时态和语态。感觉时间状语tomorrow，可知不能用一般过去时态，排除A；主语he和expect之间是动宾关系，所以要用被动语态，选B。