-What does your mother do to keep healthy, Tim?-She usually ____.
A. swim
B. swims
C. is swimming
D. to swim
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My father ________ Shanghai in two weeks.
A. leaves for
B. is leaving for
C. is leave for
D. leaves
Doing eye exercises ________ one of the useful ways to protect our eyes.
A. is
B. are
C. were
D. be
I ____________in Beijing. Cindy ____________in Shanghai.
A. am; are
B. is; am
C. am; is
D. is; are
I am waiting for my friend. ________, I will go swimming alone.
A. If he doesn’t come
B. If he won’t come
C. If he hasn’t come
D. If he isn’t coming