他不断地与坏人作斗争。
He ________ ________ bad people.
这两个男孩自从上个月见面后就成了好朋友。
The two boys have been good friends________ ________ they met each other last month.
她买这辆自行车大约两年了。
She ________ ________ the bike for about two years.
让我们在网上搜索一些关于太空旅行的信息吧。
Let’s________ ________ some information about space travel on the Internet.
如果你有任何问题，你可以和你的老师交流一下。
If you have any question, you can _______ _______ your teacher.
昨天那个学生为他的迟到编造了一个借口。
That student ________ ________ an excuse for his being late yesterday.
