I can never forget the days _____ we worked together and the days _____ we spent together.A. when; which B. which; when C. what; that D when; when
With many cities in China dreadfully blanketed by thick haze, the environment problem is _____ Chinese people concern most nowadays.
The doctor tried to laugh my brother ____ his fears about the coming operation.
—Did you manage to get in touch with David? —No, I didn’t. I ______ him up, but there was no answer.
_____ he is enthusiastic and qualified for the job, I see no reason to remove him from office.
It’s an art to be parents. With children, if you say “no”, you have to mean_____.