I find _______ difficult to finish the work on time. We only have three hours left.

A.it                               B. that                     C. its                             D. this

I find ________ difficult to finish the work on time. We only have three hours left.

1. A.
   it
2. B.
   that
3. C.
   its
4. D.
   this

(2006年长春市) I find ________ difficult to finish the work on time. We only have three hours left.

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