【正文】
12. — _________(哪一個(gè) )class are you in? — I am in Class One. 13. — Can you be _________(嚴(yán)肅的 )? We are having a meeting. — Sorry. outgoing 單元語(yǔ)法專練 Which serious 14. We are going to have an English _____________(競(jìng)賽 )tomorrow. 15. They are _________(兩個(gè)都 )Chinese students. petition 單元語(yǔ)法專練 both 謝 謝 觀 看 !