they 'll help the famers pick the apples this sunday(对划线部分提问)

问题描述:

they 'll help the famers pick the apples this sunday(对划线部分提问)
划线部分:help the famers pick the apples
____ they _____ _____ this sunday?

【What will 】they【do】this Sunday 可是只有一个空你的空留错了