题目内容
All ________ is a supply of oil.
[ ]
A.
/
B.
that
C.
what
D.
which
答案:B
解析:
解析:
|
不定代词all作先行词,关系代词只能用that。 |
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题目内容
All ________ is a supply of oil.
/
that
what
which
|
不定代词all作先行词,关系代词只能用that。 |