There-------(be)many girls in the park yesterday morning.

问题描述:

There-------(be)many girls in the park yesterday morning.
用所给词的适当形式填空

were
因为是There be 结构 所以应该填be动词 而句子后面有yesterday 可以知道是过去时而且前面是many girls是名词复数 所以是were