It will take _____ years to make robots _____ the most unpleasant things .
| A．hundred ; to do | B．hundreds of ; to do |
| C．two hundreds; do | D．hundreds of ; do |
I think Jack does his homework _________than his sister.
| A．careful | B．more carefully |
| C．carefully | D．more careful |
— Are you spending your holiday at home?
— No. I’m going to visit ________ in Shanghai.
| A．interesting somewhere | B．somewhere interesting |
| C．interest somewhere | D．somewhere interested |
—________do you surf the Internet?
— Once a week.
| A．How long | B．How often |
| C．How much | D．How far |
—What did you do during your summer holiday?
—I spent my holiday _____ English in summer classes.
A. improving B. improves C. to improve
There was a rainstorm yesterday. The flood _____ the old bridge over the small river.
A. washed awayB. blew away C. put away