We should plant more trees to make our city .A. beautifulB. beautifullyC. seriousD. noisy

问题补充：

We should plant more trees to make our city .

A. beautiful

B. beautifully

C. serious

D. noisy

答案：

(答案→)A. beautiful

B. beautifully

C. serious

D. noisy

解析：beautiful形容词，美丽的；beautifully 副词，漂亮地；serious严肃的，严重的；noisy吵闹的。句意：我们应该种更多的树来让我们的城市变得美丽。Make后接形容词做补足语，故选A。