Question

1Listen, our teachers ______ Red Songs in the next room.

A. sang       B. are singing        C. sings

 

Answer 1

【答案】

B

【解析】動(dòng)詞時(shí)態(tài)。listen是現(xiàn)在進(jìn)行時(shí)的標(biāo)志，得出答案B。