21. It is good ______ to thank the person who has helped you.
A. manners B. actions C. habits D. Traditions
22. -Mr. Brown’s office. What can I do for you?
-This is Peter. I have made an appointment with Mr. Brown. Is 10 o’clock ______ to him tomorrow morning?
A. comfortable B. fair C. easy D. convenient
A. manners B. actions C. habits D. Traditions
22. -Mr. Brown’s office. What can I do for you?
-This is Peter. I have made an appointment with Mr. Brown. Is 10 o’clock ______ to him tomorrow morning?
A. comfortable B. fair C. easy D. convenient

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