摘要： I want to be very careful to talk only about we've formally tested. A. which B. that C. what D. whether
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. I want to be very careful to talk only about ____ we've formally tested.
A. which B. that C. what D. whether
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I want to be very careful to talk only about ____ we've formally tested.
|
A．which |
B．that |
C．what |
D．whether |
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I want to be very careful to talk only about ____ we've formally tested.
- A.which
- B.that
- C.what
- D.whether