"Do you want to go to the concert with me？" Jim asked Laura．（改写句子，句意不变）
Jim asked Laura she to go to the concert with him．
The （seven） Big Data Expo was held successfully in Guiyang in May，2021.
Mary doesn't （real） care if her friends are the same or different.
If I'm available tomorrow afternoon，I （visit）the city museum with my brother.
We couldn't do all the work by （ us）.
Look!The students （answer）the questions carefully.