用所给动词的适当形式填空They_____(plan)to go for a picnic these days ,aren't they?
问题描述:
用所给动词的适当形式填空They_____(plan)to go for a picnic these days ,aren't they?
答
用所给动词的适当形式填空They_____(plan)to go for a picnic these days ,aren't they?