I wish _____ my uncle yesterday. A: had met B: would met C: met D: have met

I ______ them in the past few years. A: has met B: met C: haven’t met D: haven’t been met

He arrived in Beijing, where he_____his friend . A: was met by B: was met C: was meeting D: met by

He arrived in Beijing, where he ____ his friend. A: meets B: met by C: was met D: was met by

This is the fifth time that we ______ each other. A. met B. have met C. had met D. meet

'Had you already met him?' She asked me ... A: whether had I already met him. B: if I already met him. C: if I'd already met him.

I ______ my cousin again since he left Nanjing. A: meet B: met C: have met D: had met

If he had been here that day, you _____________ him. A: met B: had met C: meet D: would have met

Even though I am quite a reserved person, I like （） people. A: to be met B: meeting C: to have met D: met

在通用密码子中,起始密码子是(),在真核生物中编码的多肽链第一个氨基酸是(),在原核生物中编码的多肽链第一个氨基酸是()。 A: ATG……Met……Met B: AUG……Met……Met C: ATG……Met……fMet D: AUG……Met……fMet