—My mother bought an MP4 player for me,but I don’t know .
—Let’s read the instructions first.
A.how to use it | B.which one to use | C.what to use | D.how to use |
—My mother bought an MP4 player for me,but I don’t know .
—Let’s read the instructions first.
A.how to use it | B.which one to use | C.what to use | D.how to use |