The twins look alike,but they __________ in temperament.
—Try the cakes._______? —Wonderful. They taste delicious.
All possible means ___ been tried to stop the air______.
It’s reported that ________ young ____ to be rebellious against ____ parents’ instructions nowadays.
It was__ he said__ disappointed me.
If you want to do the experiment again, you had better be more careful_______ you made a mistake.