_________ some mammals came to live in the sea is not known.A、WhichB、SinceC、Al

游客2024-10-29 30

问题 _________ some mammals came to live in the sea is not known.

选项 A、Which
B、Since
C、Although
D、How

答案 D

解析 “HOW”引导的名词从句做主语。

转载请注明原文地址:https://www.tihaiku.com/zcyy/3821714.html

相关试题推荐

随机试题

最新回复(0)

Iaminterestedin______youhavetoldme.A、whichB、allthatC、allwhatD、that