How_________I help them to understand when they won’t listen to me?
—What is your plan for the holiday, Paul?—I’ll go on a trip to Jiangxi Province with my family.—______!
______ never to come back before he could make a big fortune(发财),Mike left home without saying a word.
At discussion, Jack ____ an idea that they should bring down the price of the bicycles.
Do you know the waste material can be made use ________ this kind of the toy?
She understood what I was talking about, ____ it was the first time we had spoken together.