.He is much better tennis player than me. When we play he always wins.A. fastB. quicklyC.

问题补充：

.He is much better tennis player than me. When we play, he always wins.

A. fast

B. quickly

C. happily

D. easily

答案：

A. fast

B. quickly

C. happily

(答案→)D. easily

解析：句意：比起我他是个更好的网球手，当我们打球时，他总是很容易地就赢了我。A快地，指速度快。B快地，指动作快C高兴地D容易的，简单地。故选D