选择题：
1.You can work out this problem ______ .
Thank you for helping me .
A: in this way B :by chance C:in the end D: by accident
2.They sat at the table until all the food _____ .
A:were eating B: was eaten C:was eating D:were eaten
3.When he left the shop , the man ______by two young men。
A：was attacking B：was attacked C：has been attacked D：attacked
4.______ all the rooms _______ｅｖｅｒｙ ｄａｙ？
Ａ：Ｈａｓ； ｂｅｅｎ ｃｌｅａｎｅｄ
Ｂ：Ｄｏ； ｂｅ ｃｌｅａｎｅｄ
Ｃ：Ａｒｅ；ｃｌｅａｎｅｄ Ｄ：Ｗｉｌｌ；ｃｌｅａｎｅｄ
５.Ｓｕｓａｎ，Ｗｈｙ ａｒｅ ｙｏｕ ｓｔｉｌｌ ｈｅｒｅ？Ｔｈｅｙ ａｒｅ ａｌｌ ｒｅａｄｙ ｔｏ ｓｔａｒｔ．
Ｉ＇ｍ ｓｏｒｒｙ ｂｕｔ Ｉ______ ｗｈｅｎ ｔｏ ｍｅｅｔ．
Ａ：ｄｏｎ＇ｔ ｔｅｌｌ Ｂ：ｄｉｄｎ＇ｔ ｔｅｌｌ
C:haven't told D:wasn't told