问题

It was not until dark ______ he found that it was the correct way to solve the problem.

A:that
B:what
C:which
D:when

正确答案是：

同类题型

_____in the newspaper that the Japanese minister will arrive next Monday.[ ]

His best-known work that is ___ all praise can be seen in the museum

, the sun was rising in the east.

My wife ______the night shift when my plane ______.That’s why no one is to meet me at the airport today.

rdered some pizza, so we _______ worry about cooking when we get home tired.