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 |
One of the students hasn’t prepared _____ lessons very well.
| A．one’s | B．ones | C．their | D．his |
. His attitude to us is _____ of a comrade.
| A．one | B．it | C．that | D．those |
. He was ill. _____ is why he didn’t attend the meeting.
| A．This | B．It | C．There | D．That |
. —Shall I give you a ride as you live so far away?
—Thank you. _______.
| A．It couldn’t be better | B．Of course you can |
| C．If you like | D．It’s up to you |
If I _______ you, I would go with him to the party.
| A．am | B．had been | C．will be | D．were |