Treesandflowers

問題詳情：

Trees and flowers ________every year to make our country more beautiful. (陝西省)

A. is planted                        B. was planted                      C. are planted                      D. were planted

【回答】

C

解析： every year説明本句表示的是一般現在時的概念，去掉B、D項；trees and flowers表達複數意義，所以選C項。

知識點：動詞時態

題型：選擇題