[ Vocabulary ]
My father has been sick for a long time.
A. sizeable
B. invalid
C. unkind
D. durable
E. amenable

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Tenses › ViewThe children …………. TV when they heard their mother’s footsteps. (watch)
A. watched
B. were watching
C. have been watching
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The sun _____ 150 million kilometers far from the earth.
A. is
B. does