用词的适当形式填空 When they saw the funny peoson,they all_____(laugh)loudly.

问题描述:

用词的适当形式填空 When they saw the funny peoson,they all_____(laugh)loudly.

When they saw the funny peoson,they all_laughed____(laugh)loudly.
由时间状语从句When they saw the funny peoson可知,应该用一般过去时态,所以填过去式laughed.