Jim很爱他的爷爷奶奶，他每周末都去看望他们，还帮着做些家务。
Jim loves his grandparents ________ every weekend.
我们相信，中国人将用大约10年时间就能制造出大型飞机。
We are sure that it ________ large passenger airplanes.
汶川地震后，人们现在正忙着建设新家园。
After Wenchuan Earthquake，people ________ new homes now.
该上课了，咱们进教室吧!
It’s time for class. ________ into the classroom ！
我今天太忙，不能和你去看电影了，明天怎么样?
I am too busy to go to the movies with you today.________？
昨天晚上，迈克太累了没能画完这幅画。
Mike was _________________ last night.
