It's very important ________ us to learn English well．

1. A.
   to
2. B.
   as
3. C.
   on
4. D.
   for

It’s very important __________middle school students ______________ English well．

A．of, learning          B．of，to learn             C．for，learning          D．for，to learn

It's very important __________ him _________ English.

　　A.for;learn　　B.with;to learn C.of;learning D.for;to learn

It's very important ________ us to learn English well．

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