Choose the correct option to fill in the blank.

1.Teacher: ________________.
Students: Good morning, teacher!
Teacher: Good morning, students!

A. Stand up               B. Standing up            C. Sit down            D. Sitting down

2.Don't _________ late for school.

A. being                      B. be                             C. been              D. All are correct.

3.Please _________ more loudly.

A. talk           B. do talk       C. Both A and B are correct.     D. None are correct.

4.If you have any questions, please _________ your hand.

A. raising                         B. raised                  C. raise                D. put down

5._________ your music, please. It's a little noisy.

A. Turn on                       B. Turn off              C. Turn up           D. Turn down

6._________ alone. It's very dangerous.

A. Travel                       B. Do travel         C. Don't travel   D. Don't travelling

7.Please _________ your book. Now we move to listening skill.

A. open                          B. opening                    C. close                D. closing

8.This is the hospital. _____________ here.

A. Smoke                       B. Smoked           C. Do smoke     D. Don't smoke

9. Don’t______ it.

         A. touch                   B. to touch                C. touching       D. to touching

10.Do________quiet!

         A. be                         B. to be                    C. Being              D. to being