29. —It’s hard to believe that Jack ________ have fought with the policeman. —Yes. If one ________ ask for trouble, it can’t be helped.
They would _______ for Guangzhou the next morning and so they went to bed early.
I'm so busy that I can't ______ the time for a holiday at present.
——How much is it ______? ——$ 20, I think.
The meeting was _______. Many people were for our plan.
Many facts proved that long before Columbus ________ America, Chinese had visited it.