问题

The train ______ she was traveling was late.[ ]
A: on that
B: for which
C: on which
D:which
B: for which
C: on which
D:which
正确答案是:
同类题型
________ no modern technology, the Egyptians had to move each stone by hand.
From this story, you can have some idea ______ can be used in reality.
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I’m terrified _____ the dark. I go to sleep _____ my bedroom light _____. [ ]