The ______ is really bad today. It must be rush hour. (1.0)

A. transportation
B. traffic
C. block
D. traffic light

You’ll also enjoy ______ with happy customer. (1.0)

A. talking
B. talks
C. to talk
D. talk

The students are too focused ______ their studies.(1.0)

A. in
B. at
C. off
D. on

I am a good driver. Driving makes me ______ great. (1.0)

A. feeling
B. feel
C. to feel
D. feels

______ any noise after 11p.m. (1.0)

A. Don’t make
B. Not make
C. No make
Doesn’t make

______ off the gas when you finish cooking. (1.0)

A. Turning
B. To turn
C. Turn
D. Turns

Are you ______a budget ? This hotel is cheap and also very nice. (1.0)

A. at
B. in
C. off
D. on

写结构：酒精

写结构：氯仿

写结构：甘油