How did you manage to get to the school on time_________you missed the school bus?
Many accidents________ by careless drivers last year.
Studying in groups is necessary_____ you want to do well in school.
You can hardly imagine the ______ they went ______.
---He didn’t go to the concert yesterday, did he? ---_______, he was studying for the tests all day.
I have been to Shanghai. I______ there last month.