Most of us know we should cut down on fat, but knowing such things isn’t much help when it ____shopping and eating.
| A．refers to | B．speaks of | C．focuses on | D．comes to |
Science fiction writers often write about _______will happen in “tomorrow’s world”.
| A．why | B．that | C．what | D．how |
Medicine and food ________ to the flood areas soon.
| A．send | B．was sent |
| C．will send | D．will be sent |
When _______ comes to advertisements, we must all use our intelligence.
| A．that | B．it | C．there | D．this |
________ he found the idea interesting, it was too difficult to be of practical use.
| A．While | B．Once | C．If | D．Until |
As they were walking around, they noticed a man _______ against a tree.
| A．sit | B．to sit | C．sitting | D．sat |