题目内容
.
As you can see, we need the equipments, ___________ are necessary to make the project move on.
A.all of which B.all of them C.all that D.all what
A
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题目内容
.
As you can see, we need the equipments, ___________ are necessary to make the project move on.
A.all of which B.all of them C.all that D.all what
A