It is not good to _______ with your mouth open.
A. apologize
B. chew
C. speak
D. help
查看答案
Use a haou need a handkerchief if you need to ________________.
A. ask a question
B. chew gum
C. sneeze
D. complain
It is not polite to __________somebody when he or she is talking on the phone.
A. apologise to
B. contribute to
C. disturb
D. dispose
You should always aplogize if you _______somebody.
A. talk to
B. speak to
C. interrupt
D. complain to
When you are talking on the telephone, ______________in your voice.
A. higher
B. deeper
C. lower
D. lighten
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