I stayed in Japan only a few matches,, I went through a series of hardship.

The shop ___ from 8 am. to 5 p.m. every day but it ______ at 9:00 pm at weekends.

Nick is never late for work. He always gets to the office _______.

下列对文中内容的解说，不正确的一项是（ ）

28 It is only when agriculture is fully developed___________industry can have abundant materials and markets