问题

He found them ________ at a table ________.
A:seated; playing chess
B:sitting; to play chess
C:sat; to play chess
D:seat; play the chess
B:sitting; to play chess
C:sat; to play chess
D:seat; play the chess
正确答案是:
同类题型
Some researchers believe that there is no doubt_____ a cure for AIDS will be found. [ ]
May I go swimming alone this afternoon, Dad —No, you . It is dangerous.
Many questions were asked,particularly _______the cost of the new plan[ ]
An increasing number of people ________ the importance to physical exercise.