______ the book, he found out some answers to this question.
A. When reading
B. At his reading
C. As reading
D. For reading
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______ come and help us.
A. Does
B. Do
C. Did
D. Will
You should not try to ______ when others are talking.
A. interrupt
B. deliver
C. extend
D. pretend
We have to practice ______ as often as possible.
A. to speak English
B. speak English
C. speaking English
D. in speaking English
These foreign students have got ______ our Chinese customs.
A. used
B. accustomed to
C. intended to
D. satisfied to
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