When I was in the USA,I had difficulty ______ English, so I often ask Paul ____ help.
A.to understand, with | B.understanding, for |
C.to understand, for | D.understanding, with |
When I was in the USA,I had difficulty ______ English, so I often ask Paul ____ help.
A.to understand, with | B.understanding, for |
C.to understand, for | D.understanding, with |