--I think it is necessary for everybody to take action _______ the Earth.
--I agree. Turn off the lights before we leave the classroom.
A.protect | B.protecting | C.protects | D.to protect |
--I think it is necessary for everybody to take action _______ the Earth.
--I agree. Turn off the lights before we leave the classroom.
A.protect | B.protecting | C.protects | D.to protect |
试题篮
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