摘要：( ) -It’s necessary our environment. -I agree with you. A. protect B. protecting C. to protect D. protects
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— It's necessary ____ our environment.
— I agree with you.
— I agree with you.
[ ]
A. protect
B. protecting
C. to protect
D. protects
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B. protecting
C. to protect
D. protects
—It’s necessary ____ our environment(环境). —I agree with you.
|
A．protect（保护） |
B．protecting |
C．to protect |
D．protects |
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