[ Grammar ]
There are two things ………………. affect temperature .
A. Which
B. Who
C. Where
D. When

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Definite, Indefinite and Zero Articles › ViewKim’s favourite subject is ______ Science.
A. A
B. AN
C. THE
D. X
Grammar › View
The doors are still locked, so nobody _____ sitting in the waiting room yet.
A. are
B. is
C. isn’t
D. were
Grammar › ViewShe started doing ________to strengthen her stomach muscles.
A. sit-ups
B. stride
C. joints
D. hips
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Put the old glass bottles ___________ the brown recycling bin.
A. at
B. in
C. under
D. among