—Hi, Mary, haven't seen you for a long time. () —Fine. What about you
A. How are you doing
B. What are you doing
C. How do you do
D. What do you do
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The three sisters decided to hold a family party to ______ their parents' silver wedding.
A. celebrate
B. memorize
C. congratulate
D. welcome
I have read the material several times but it doesn't make any ______ to me.
A. meaning
B. importance
C. sense
D. significance
The other day, my brother drove his car down the street at ______ I thought was a dangerous speed.
A. as
B. which
C. what
D. that
There is no light in the dormitory. They must have gone to the lecture, ______
A. didn't they
B. don't they
C. mustn't they
D. haven't they