—Sally failed in this math test. She is very sad now.—Let’s go and_______.
My grandfather is over seventy years old, he is very well because he always____.
____ it was late, the students were still studying in the classroom.
---____do you take exercise? ---Every day.
Jack works ___. He____ plays computer games after school.
Mary has a toothache(牙痛).She has to_______.