句子转换1.Her mother gave her a new pen.(改为被动语态)2.Is the song su
句子转换
1.Her mother gave her a new pen.(改为被动语态)
2.Is the song sung by the children?(改为主动语态)
_____ the children _____ the song?
3.What is the most useful invention?Do you think?(合并)
4.The abacus was invented (in the sixth centry).(对括号部分提问)
5.Can you tell me how I can solve the problem quickly?(同义句)
6.Did he clean the blackboard just now?(改为被动语态)