—I have to be off right now.—What a pity! I you could stay a little longer with us.A. think B. am thinking C. thought
The fish ______________for some time. You’d better cook them at once.
—Why not stop _______ a rest? —Oh, it’s so exciting that I can’t stop _______ the kite.
She _______ for 15 years, yet she still doesn’t know what kind of man she _______.
We young people shouldn’t _______ think about the failure (失败) in the past. Instead, we should be _______to face the future.
There ______________ in spring in Suzhou, but the weather there is usually nice at this time of year.