What does the man like to do in his spare time
A. Taking photos.
B. Listening to music.
C. Making toys.
查看答案
What are they interested in
A. Playing basketball.
B. Playing tennis.
C. Taking photos.
— How many times have you been to America — It’s the second time I ______ there.
A. was
B. am
C. have been
After supper my father read the newspaper, ______ my grandma listened to him carefully.
A. and
B. or
C. but
某生物碱的碱性强，则它的
A. ka大
B. Kb小
C. pKb大
D. pKa大
E. pKa小
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