问题

It is the place _____ I once visited when I was young.
A:that
B:in which
C:where
D:at which
B:in which
C:where
D:at which
正确答案是:
同类题型
ildren entered the dining room, smiling and______, and ______ down to have lunch.
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.—How many new words are there in _______lesson—There are only _______.