—Do you know what Tom does all day ?—I know he spends at least as much time watching TV as

问题补充：

—Do you know what Tom does all day ?

—I know he spends at least as much time watching TV as hehis lessons .

A. is doing

B. does

C. spends in

D. does doing

答案：

A. is doing

B. does

C. spends in

(答案→)D. does doing

解析：可联系答.案.网客服索取。