Mr White____at 8:30 for the meeting, but he didn't show up.
| A．should have arrived | B．should arrive | C．should have had arrived | D．should be arriving |
27. — 
Is there any possibility_____________you could pick me up at the airport?
— No problem.
| A．when | B．that | C．whether | D．what |
26. Don’t be__________by products promising to make you lose weight quickly.
| A．taken off | B．taken out |
| C．taken away | D．taken in |
25.Although she managed to buy some medicine, the______instructions on the bottle really made her .
| A．confusing; confused | B．confused; confused |
| C．confused; confused | D．confusing; confusing |
24._________our arriving at the airport, we were given a warm welcome by
the local people.
| A．With | B．For | C．Upon | D．Until |
When we entered the room, the lights____________suddenly.
| A．got off | B．set up | C．went out | D．put out |