28.He is quite confident,_____,in my opinion,is most important for his future development.
| A．how | B．that | C．what | D．which |
None of them talked. They finished their meal in .
| A．silence | B．order |
| C．place | D．public |
In cold winter, the temperature in Harbin often remains zero all day.
| A．above | B．below |
| C．over | D．under |
Some small shops in Britain usually close for hour at lunchtime.
| A．an; the | B．a; 不填 |
| C．a; the | D．an; 不填 |
Betty hasn’t got any hobbies you call sleeping a hobby.
| A．when | B．because |
| C．before | D．unless |
There are enough cups for each visitor to have _______.
| A．one | B．it | C．this | D．that |