—This physics problem is too difficult. Can you show me _______, George?
—Sure.
A.what to work out | B.to work it out | C.how to work it out | D.how to work out it |
—This physics problem is too difficult. Can you show me _______, George?
—Sure.
A.what to work out | B.to work it out | C.how to work it out | D.how to work out it |