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