By the time he arrives, all the work ________, with ________ our teacher will be content．

1. A.
   will have been accomplished, which
2. B.
   will be accomplished, that
3. C.
   will have accomplished, it
4. D.
   had been accomplished, him

By the time our teacher arrives tomorrow, all the work _____,with which he will be content.

By the time our teacher arrives tomorrow, all the work _____,with which he will be content.