I _____ to Beijing last year.
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Look! The monkey is ______ the tree.
A. climbing
B. climbs
C. climb
I often ______ on Sunday.
A. goes shopping
B. go shopping
C. went shopping
_____ you return my book yesterday?
A. Do
B. Does
C. Did
She____ a teacher.
A. are
B. am
C. is