问题
Was it in 1997______he was still at middleschool_______ this boy became an expert at computer
A:that; where
B:when; where
C:in which; in which
D:when;that
B:when; where
C:in which; in which
D:when;that
正确答案是：
同类题型
He ________ all his aims. But his efforts in the past few yearshave been praise-worthy.
When summer comes, the weather becomes __________ andthe flowers become __________.
Often staying up late makes him at his worst_________ physical situation[ ]
The coal minersin the coal mine for 10 hours before we came to their rescue