How often do you visit your grandparents, Tom–__________.

Bill suggested_____a meeting on what to dofor the Shanghai Expo during the vacation.

“What place is it？” “Haven’t you found out we _____ back where we ______？”

They didn’t ________ the true meaning of what the boss had said, and thus their task almost completely failed.

_____ weather! It’s raining again!—Bad luck, we have to stay at home now.