--- How long _____ Professor White ______ the book ?
---- For about 10 days.
A.was ; keeping | B.has ; kept | C.has ; borrowed | D.did ; borrow |
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--- How long _____ Professor White ______ the book ?
---- For about 10 days.
A.was ; keeping | B.has ; kept | C.has ; borrowed | D.did ; borrow |