We should love our oceans and do something to them .A. plantB. findC. harmD. protect

问题补充：

We should love our oceans and do something to them .

A. plant

B. find

C. harm

D. protect

答案：

A. plant

B. find

C. harm

(答案→)D. protect

解析：plant种植；find寻找，发现；harm伤害；protect保护。句意：我们应该爱我们的大海，并且做点事情来保护他们。结合语境可知选D。