I think it is necessary for my 19 year old son to have his own mobile phone, for I sometimes want to make sure if he ________ home for dinner.

1. A.
   come
2. B.
   comes
3. C.
   has come
4. D.
   will come

 I think it is necessary for my 19-year-old son to have his own mobile phone, for I sometimes want to make sure if he           home for dinner.

        A. come         B. comes            C. has come         D. will come

I think it is necessary for my 19-year-old son to have his own mobile phone, for I sometimes want to make sure if he           home for dinner.

A.come             B.comes                        C.has come                      D.will come

 I think it is necessary for my 19-year-old son to have his own mobile phone，for I sometimes want to make sure if he          home for dinner.

A. come           B. comes           C. has come        D. will come

I think it is necessary for my 19-year-old son to have his own mobile phone, for I sometimes want to make sure if he ______ home for dinner.

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