That was a terrible night . The rain was pouring down, _________ thunder and lightning.
Have you watched the program“Where Are We Going, Dad”? It seems very _________. — I agree with you. Many of us like it very much.
Wang Lin failed to be admitted by Hong Kong University last year, and only then _____________the importance of English.
_____did the space flight last? —Twenty-one hours.[ ]
What are you __________?-I’m preparing for my math test.[ ]