B.
how
C.
when
D.
which
3.
The patent was granted in (either) 1962 or 1963—I can’t quite remember _________.
A.
what
B.
when
C.
which
D.
why
4.
It’s either Spanish or Portuguese that she speaks, but I’ve forgotten _________.
A.
what
B.
when
C.
which
D.
【有关“疑问词”的语法陷阱题】相关文章:
★ 形容词的语法知识
★ 时间副词的用法
★ 关于修饰语的问题
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