I can’t believe that great changes_______ in Suzhou in the past 20 years.

Tom, what a pity. I almost succeeded yesterday. —I told you to be careful before. ______.

Is everything __ we need to do __–Yes. You needn’t worry about it.

__ us another hour, I suppose, and wewill fulfill the task perfectly.—Will that do OK.

I tried to make the baby by singing, and that worked well at last.