单项选择题
Once environmental damage ______, it may take many year...
单项选择题Once environmental damage ______, it may take many years for the system to recover.
By the end of next year, they ______ another three mode...
单项选择题By the end of next year, they ______ another three modern hotels there.
This kind of fresh fruit ______ wonderful.A．are tasted ...
单项选择题This kind of fresh fruit ______ wonderful.
