问题

Is this the reason __________ at the meeting for his carelessness in his work?[ ]
A: he explained
B: what he explained
C: how he explained
D: why he explained
B: what he explained
C: how he explained
D: why he explained
正确答案是:
同类题型
It is no good ______ him. He doesn’t help himself.
Don’t _____ so often. It’s bad for your health.—I have to. But I know I should have enough sleep.
Rose, you leave your school things on the floor like this. Keep your room clean and tidy.
Are they coming to help us?—- _______.
His sudden death surprised his wife. — It was so bad. His wife was surprised ____ his death. [ ]