We ________ last night , but we went to the concert instead.
A. must have studied B. might study
C. should have studied D. would study
They tried to find a table for two. But they were all _____.
A. given away B. kept away C. taken up D. used up
Over two thirds of the population were believed to have no ______ to the health care in the west rural area in China.
A. aid B. basis C. belief D. access
You should look _______ into the matter to get more information about it.
A. farther B. far C. farthest D. further
They keys were __________ to our neighbours during our absence.
A. given out B. given away C. given over D. given up
–Are you a teacher?
--No, but I ________.
A. used to B. was used to C. used to be D. used to do
