Question

1.---Are you still busy?

Answer 1

第一题中用进行时表达将来时，强调动作的现场感，即将完成工作

例如： I'm coming. He is leaving in 15 mins.

第二题中考查的是定语从句，非限制性定语从句是对主句的补充说明。中间用逗号隔开，若是句号的话，该题要改成 ：There were two buildings. The larger one of them stands nearly a h...