She looks very happy. She ________have passed the exam. –I guess so. It’s not difficult after all.

I haven’t been to the science museum for a long time. What about you— . ________ Could you go with me this weekend

We don’t know if she _____ homeIf she ____, I’ll tell you

New energy-sharing projects _____ in dozens of cities across the country to fuel China’s sharing economy in the next few years.

Did you look up the time of trains to Shanghai—Yes，the early train is________ to leave at 5：30 am.