Students are asked to _____ themselves in this boarding school and they are only allowed to go back home once a week.
| A．act | B．behave | C．perform | D．observe |
Mike was usually so careful, ______this time he made a small mistake.
| A．yet | B．still | C．even | D．thus |
Ellen was a painter of birds and of nature, _____, for some reason, had withdrawn from all human society.
| A．which | B．who | C．where | D．whom |
- Alvin, are you coming with us?
- I'd love to, but something unexpected.
| A． | has come up | B． | was coming up | C． | had come up | D． | would come up |
Armed with the information you have gathered, you can_______ preparing your business plan.
| A．set out | B．set about | C．set off | D．set up |
Brown said he was by no means annoyed;_____ he was glad to be able to make himself clearly understood.
| A．all in all | B．for one thing | C．on the contrary | D．by the way |