With all the problem________，the boss decided to make a trip.
| A．settle | B．to settle |
| C．settled | D．settling |
You have the ______ of working hard and being successful or not working hard and being unsuccessful.
| A．selection | B．choice | C．alternative | D．option |
British adventurer and swimmer Lewis Gordon Pugh became the first person to swim in the icy waters of North Pole，to raise awareness of how global warming ______ the polar ice cap.
| A．had affected | B．is affecting | C．affected | D．will affect |
Considering the coming of the entrance exam，some schools have abandoned the ______of doing morning exercises.
| A．action | B．practice | C．habit | D．custom |
The teacher told the monitor to ______ all the students' names who were absent from class.
| A．set out | B．set about | C．set up | D．set down |
John may phone tonight，I don't want to go out ______ he phones.
| A．in case | B．in that case | C．so that | D．in time |