—Can those at the back of the classroom hear me?—No problem, sir !
A. seat
B. seating
C. seated
D. sit
网友回答
A. seat
B. seating
(答案→)C. seated
D. sit
解析:句意:那些坐在后面的(同学)能听到我吗?这里需要定语修饰those,而be seated“就坐”,也可以理解为是形容词的用法,意为“座着的”强调一种状态,而sit强调动作,应该用sitting,因此seated更合适,选C。