It was not until the entrance exams were in sight that that I had so many books to cover and so many exercises to finish.
_____such an embarrassing situation, he didn’t know what to do.
______ those troublesome messages, you’d better not give out your number to anyone whom you don’t know.
--- I wonder if I could pay the bill by check. --- ______. The card machine has just broken down.
You __________ football after school. Why not go home and do your homework first?
The palace is heavily guarded, because inside its walls ________.