---This physics problem is too difficult. Can you show me __________, Wang Lin?
--- Sure.
A.what to work it out | B.what to work out it |
C.how to work it out | D.how to work out it |
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---This physics problem is too difficult. Can you show me __________, Wang Lin?
--- Sure.
A.what to work it out | B.what to work out it |
C.how to work it out | D.how to work out it |