Excuse me, could you tell me ________?—There is a bank on the second floor. You can make it there.

What’s up? —There is _______ with my computer. It doesn’t work.

_______ did she go last summer? — She went to Hainan.

Each year __________ fishes are killed by the polluted water and many people are made sick by the polluted air .—-So we should do something to stop it .

Grades are really important, but they’re not ______ to us students.