In crowded places like airports and railway stations, you __________ take care of your luggage.
| A．can | B．may |
| C．must | D．will |
--- I’m afraid it’s too dear.
--- OK, then I’Il take 10% .
| A．up |
| B．off |
| C．away |
| D．down |
His disappearance is being by the police, who are making every effort.
| A．looked for |
| B．looked over |
| C．looked into |
| D．looked through |
They’ve a really serious infection from something they’ve eaten.
| A．picked up |
| B．taken up |
| C．held up |
| D．brought up |
Whenever we carry out the plan, we may meet difficulties. We must take that into account.
| A．situation |
| B．condition |
| C．possibility |
| D．decision |
--- Do you think a child should follow _______his parents say?
--- That depends.
| A．no matter what |
| B．whatever |
| C．however |
| D．Whichever |