8天堂资源在线,国产成人久久av免费高潮,国产精品亚洲综合色区韩国,国产欧美va天堂在线观看视频,xx色综合

7.Look.Peter is still reading in the library.He here for two hours.A.has come B.has been C.was D.came 查看更多

 

題目列表(包括答案和解析)

Look,Peter is still reading in the library.He _________ here for two hours.

A.has come          B.has been           C.was          D.came

查看答案和解析>>


同步練習(xí)冊答案