The U.S. population of kids (grow)______since the 70s, and will remain at high l

游客2023-09-25 32

问题 The U.S. population of kids (grow)______since the 70s, and will remain at high levels through the’ 90s.

选项

答案 has been growing

解析句意：70年代以来美国的小孩人口一直在增长，90年代仍然保持高水平。该题考查的是时态。根据句意作谓语，用完成进行时。

转载请注明原文地址:https://tihaiku.com/zcyy/3043627.html

相关试题推荐

随机试题

最新回复(0)

Apopulationexplosionwillleadto______.[br]______,theworldmayhavepopu