—What do you think of Peter?—He be really difficult to get along with even though he’s a

问题补充：

—What do you think of Peter?

—He be really difficult to get along with even though he’s a nice person in general.

A. shall

B. should

C. must

D. can

答案：

A. shall

B. should

C. must

(答案→)D. can

解析：考查情态动词：句意：--你认为皮特怎么样？--虽然彼得总的来说是个好人，但他可能很难相处。can表示客观上可能性，他可能难相处，不是绝对的，A. shall将会，B. should应该，C. must必须，选D。