A.are | B.is | C.were | D.was |
A.have not discussed | B.have not been discussed |
C.has not discussed | D.has not been discussed |
A.wants to buy the book;his | B.want to buy the book; their |
C.will buy the book; one’s | D.wants to have the book bought; her |
A.are | B.has | C.have | D.is |
A.is;years | B.are;year old | C.is;years old | D.are;years of age |
A.what is | B.they are | C.this | D.which are |
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