The United States discovered in 1982 that about one-fifth of its farmland ______

游客2024-09-04 28

问题 The United States discovered in 1982 that about one-fifth of its farmland ______ topsoil at a rate likely to diminish the soil’s productivity.

选项 A、is losing
B、to be lose
C、was losing
D、being lost

答案 C

解析过去进行时可表示过去的某个时间动作在进行，根据句意，C正确。

转载请注明原文地址:http://tihaiku.com/zcyy/3743966.html

相关试题推荐

随机试题

最新回复(0)

ItiscommonlybelievedthatintheUnitedStatesschooliswherepeoplegetan