–Do you learn maths ______ asking the teacher ______ help?
--Oh, yes. It helps a lot.
A.for; by | B.to; by |
C.by;for | D.by;to |
–Do you learn maths ______ asking the teacher ______ help?
--Oh, yes. It helps a lot.
A.for; by | B.to; by |
C.by;for | D.by;to |