Question

Bob is not talking．He ________ her．

A. listen to
B. is listening
C. is listening to
D. listen to

Answer 1

答案C
考查的是现在进行时。look，listen，now是现在进行时的标志。Bob is not talking呈现的是现在进行时，听某人说应用listen to，所以答案应是C。