( )28.－_____ you put away your books?
－Yes, mum. I’ll do it at once.
| A．Might | B．Should | C．Could | D．Must |
The question was difficult for him to solve.
| A．so | B．too | C．very | D．quite |
Finally, a god was so by Yu Gong.
| A．move | B．moved | C．moves | D．moving |
of my parents is busy today, so they can go with me.
| A．Neither | B．None | C．All | D．Both |
My mother was making dinner I was doing homework.
| A．while | B．at what time | C．at soon as | D．until |
The rainstorm was very in the southern part of China last summer.
| A．hardly | B．heavy | C．heavily | D．strong |