作业帮1.I did a lot of things there.（改为现在完成时）2.He has (cleaned the classroom).（对括号部分提问=.=）3.I have been (to Beijing) before.（对括号部分提问=.=）4.They have a wonderful e______ during the summer holiday.5.with t
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1.I did a lot of things there.（改为现在完成时）2.He has (cleaned the classroom).（对括号部分提问=.=）3.I have been (to Beijing) before.（对括号部分提问=.=）4.They have a wonderful e______ during the summer holiday.5.with t
1.I did a lot of things there.（改为现在完成时）
2.He has (cleaned the classroom).（对括号部分提问=.=）
3.I have been (to Beijing) before.（对括号部分提问=.=）
4.They have a wonderful e______ during the summer holiday.
5.with the d___ of science,the computer can become smaller and smaller.
6.———Our hometown ____ a lot so far
———Yes,I hope it will be even_____
A.has changed,well B.has changed,better C.changed,better D.is changing,good
7.———______ your CD player?
———Yes,I___it just now.
A.will you find B.Have you found ,found C.did you find .have found D.do you find found
1.I did a lot of things there.（改为现在完成时）2.He has (cleaned the classroom).（对括号部分提问=.=）3.I have been (to Beijing) before.（对括号部分提问=.=）4.They have a wonderful e______ during the summer holiday.5.with t
1 I have done a lot of things there.
2 What has he done?
3 Where have you been before?
4 experience 经历
5 development 发展
6 B has changed, better
7 B
1.I have done alot of thing s there.
2.What has she done?
3.Where have you been before?
剩余题目看楼主行动了，你懂得