5) We had the same weather in Changsha last year.
查看答案
6) He has never made a serious mistake at work.
A. P
B. PP
7) What has the weather been like recently?
A. P
B. PP
8) Kent went to school part-time while he worked full time.
A. P
B. PP
9) Robert has received two promotions so far.
A. P
B. PP
微信支付 
支付宝支付