问题:
Was it in 2002 __________ he was still at middle school __________ the boy became expert at computer?
A.that; where
B.when; where
C.that; when
D.when; that
Was it in 2002 __________ he was still at middle school __________ the boy became expert at computer?
A.that; where | B.when; where | C.that; when | D.when; that |
参考答案: