问题
选择题
Our city is becoming nicer. Look! There are many trees and flowers on _______ sides of the streets.
A. all B. each C. both
答案
答案：C
街道应该是表示两边，故用both，故本题选C。
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Our city is becoming nicer. Look! There are many trees and flowers on _______ sides of the streets.
A. all B. each C. both
答案：C
街道应该是表示两边，故用both，故本题选C。