They’re having a picnic in the park.(划线提问,划在having a picnic 这里!)
问题描述:
They’re having a picnic in the park.(划线提问,划在having a picnic 这里!)
答
What are they doing in the park?
They’re having a picnic in the park.(划线提问,划在having a picnic 这里!)
What are they doing in the park?