Tom is good at his work, but he seems to _____ confidence.

A lack      B lack of       C lacking in       D short of

 Tom is good at his work, but he seems to _____ confidence.

A lack      B lack of       C lacking in       D short of

Tom is good at his work, but he seems to _____ confidence.

A. lack  B. lack of   C. lacking in  D. short of

Tom is good at his work, but he seems to _____ confidence.

A. lack  B. lack of   C. lacking in  D. short of

Tom is good at his work, but he seems to ________ confidence．

1. A.
   lack
2. B.
   lack of
3. C.
   lacking in
4. D.
   short of