79. Before there goes the bell for class, our math teacher took out a piece of and wrote his problems on the blackboard.
Not knowing what to do next, the girl _____ her parents for advice.
The number of people whoa mobile phonemore than 650.
The sentence “All hope was not lost” means.
I watched the man for a long time and wanted to know.
---We went to bed that evening at 10:30. ---That’s a good habit.