The flowers ___ sweet in the botanic garden attract the visitor to the beauty of nature.

问题描述:

The flowers ___ sweet in the botanic garden attract the visitor to the beauty of nature.
A.to smell B.smelling C.smelt D.to be smelt
为啥是B不是C

此题选B对.smell是系动词,sweet是表语.smelling sweet in the botanic garden 在这里是现在分词短语作定语.本句可以译为:“植物园里飘香的花朵把游客吸引到美丽的大自然中来”.