I’m wondering whether the police have _____ a warning to people living in this area after several robberies.

The number of students in Class Ten____ sixty-six, and a large number of them ____Jay Chou.

_______ I finish the work today—No, you needn’t.

Students are often warned that anyone who leaves the classroom at night must remember to _____ all the lights, or he will be fined.

Don’t keep water running when you wash hands. — __________.