Chengduisagreenercit的精選

問題詳情：Chengduisagreenercitynowbecausemoreandmoretrees________everyspring.A．wereplanted B．areplanted C．willbeplanted【回答】B點撥：本題用語法判定法解題。樹是被種植，因此用被動語態，每年春天是經常*的行爲，用一...