I can't hear you because the wind ( ) (blow)hard.有人说是was blowing,可括号里没有be啊.

问题描述:

I can't hear you because the wind ( ) (blow)hard.
有人说是was blowing,可括号里没有be啊.

is blowing
这里说得是说话当时正在发生的事情,所以用现在进行时态.