He had to retire early ________poor health.
A. as a result
B. because
C. so
D. because of
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It's time ________the weather report. Turn on the radio,please.
A. to
B. in
C. at
D. for
-________Mary ________Alice has joined the music club because they have no time. -It's a pity!
A. Both;and
B. Either;or
C. Neither;nor
D. Not;but
Don't forget to wash your hands ________you have meals.
A. before
B. until
C. though
D. unless
Come on,________you'll be late.
A. and
B. but
C. or
D. so
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