Tom is weak in physics. He always feels _______ before he takes a physics test.

A. interested         B. comfortable       C. nervous           D. proud

Tom is weak ________ his Chinese lessons.

[　　]

Tom is weak ________ his Chinese lessons.

[　　]

Tom is weak ________ his Chinese lessons.

1. A.
   at
2. B.
   for
3. C.
   about
4. D.
   in