—These days, he has stayed up late into night in order to get good marks in the following monthly test.
---It’s no that he seems tired and asleep in class every day.
A. wonder
B. problem
C. doubt
D. question
网友回答
(答案→)A. wonder
B. problem
C. doubt
D. question
解析：考查句型：It’s no wonder that难怪怎么样，句意：难怪他看起来很累每天在课上睡觉。故选A。