I had no idea of the machine...I had no idea of the machine ____ already.A.to be tested B.having been testedC.testing D.testedThis drug,when ____ by mouth,is ineffective.A.giving B.giveC.gives D.given这两题,我的答案是B D,B,求大虾指点原因.

问题描述:

I had no idea of the machine...
I had no idea of the machine ____ already.
A.to be tested B.having been tested
C.testing D.tested
This drug,when ____ by mouth,is ineffective.
A.giving B.give
C.gives D.given
这两题,我的答案是B D,B,求大虾指点原因.