— We should recycle everything we can.
— Absolutely.These may seem little things,but they’re not__________it comes to saving the
environment.
A.since | B.when | C.while | D.as |
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— We should recycle everything we can.
— Absolutely.These may seem little things,but they’re not__________it comes to saving the
environment.
A.since | B.when | C.while | D.as |