Beijing is one of the _________________ in the world today .
| A．busiest city | B．busy cities | C．busy city | D．busiest cities |
________ went hiking last weekend because of the bad weather.
| A．Someone | B．No one |
| C．Everyone | D．Nothing |
We ________ used computers years ago, but now they are everywhere.
| A．always | B．hardly ever |
| C．usually | D．almost |
---________ does your mother go for a walk? ---Every afternoon.
| A．How long | B．How often |
| C．How much | D．How many |
---Do you want to tell us ________ important? ---No.
| A．nothing | B．everything |
| C．something | D．anything |
An Englishman always brings ________ umbrella.
| A．a | B．an | C．the | D．/ |