According to the air traffic rules, you should ________ off your mobile phone before
boarding.
| A．cut | B．put | C．call | D．switch |
Language can be defined as a tool by which human beings ________ with one another.
| A．associate |
| B．connect |
| C．communicate |
| D．correspond |
—Will you resign, Minister?
！
| A．No way |
| B．No doubt |
| C．No wonder |
| D．No comment |
Recently our government policymakers are very about the rapidly rising food costs.
| A．upset |
| B．confused |
| C．concerned |
| D．conscious |
The old couple often take a walk after supper in the park with their pet dog _____them.
| A．to follow |
| B．following |
| C．followed |
| D．follows |
Yao Ming is very famous now. However, his basketball career only after many years of hard work.
| A．took on |
| B．took off |
| C．took up |
| D．took out |