简单的英语完成句子1.我们经常在化学课上作实验．Weoften＿＿＿＿inchemistryclass.2.中国以长城文明于世．China＿＿＿＿＿＿theGreatWallintheworld.3.从西安坐火车到北京需要十几个小时

Question

简单的英语完成句子
1.我们经常在化学课上作实验．
We often ＿＿ ＿＿ in chemistry class.
2.中国以长城文明于世．
China ＿＿ ＿＿ ＿＿ the Great Wall in the world.
3.从西安坐火车到北京需要十几个小时．
It ＿＿ more than ten hours to go from Xi'an to Beijing ＿＿ ＿＿.
4.他已经想出了一个好办法．
He ＿＿ ＿＿ ＿＿ a good idea.
5.我们应该搜集废纸,废瓶供回收．
We should ＿＿ waste paper and bottles ＿＿ ＿＿.

Answer 1

1 do experiment
2 is famous with
3 takes by train
4 has already got
5 collect for recycle