－Peter, would you like a coffee to go with your sandwich ?－Sure, it ________

Did Mary go to the exhibition yesterday? — Yes, but she _____ at home. [ ]

It is a shock that a great number of students ______ injured in the earthquake and the number of them ______ 2,000 already.

The research is difficult. Who do you think can do the job? — my students have a try?

Please don’t stay up to late. It’s bad for your health.——_____________.