The librarian insists that John _____ no more books from the library before he returns all the books he has borrowed.

A. will take　　　    B. took              C. take　　　　　    D. takes

The librarian insists that John _____ no more books from the library before he returns all the books he has borrowed.

1. A.
   will take
2. B.
   took
3. C.
   take
4. D.
   takes

The librarian insists that John ___ no more books from the library before he returns all the books he had borrowed.

A. will take B. took C. take D. takes

The librarian insists that John ___ no more books from the library before he returns all the books he had borrowed.
A. will take 　　　 B. took 　　　　　　 C. take 　　　　　　 D. takes