问题描述：
1.They are proud to have raised () () good son.
A.so a B.such a C.a so D.a such
2.How long () you () English books?
-For 2 days.
A.did borrow
B.are borrowing
C.have borrowed
D.have kept
A.so a B.such a C.a so D.a such
2.How long () you () English books?
-For 2 days.
A.did borrow
B.are borrowing
C.have borrowed
D.have kept
问题解答：
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