问题补充:
Don’t shout at him. He .
A. will do his best
B. did well in
C. is good at
D. did his best
答案:
A. will do his best
B. did well in
C. is good at
(答案→)D. did his best
解析:句意:不要对他大吼大叫。他尽全力了。do one’s best意为“尽某人最大的努力”,do well in意为“在方面做得好”,be good at意为“擅长”,根据句意,他尽力了应该指的是过去的行为,应该用一般过去时;故选D。