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
The illness of her son is so ______ that she cannot go to sleep at night.
_______ you work hard, you won’t solve this problem.
My uncle _____ in Taiwan for 20 years. Now he has settled down in mainland.
No doubt she will be late. It’s ______ of her to keep all the other guests waiting.
The teacher was absorbed in writing something, only _____ now and then to refer to a book or another.