—Walkingandridingaregoodforhealth.—

問題詳情：

 —Walking and riding are good for health.

— ______ and _______.

A. So are they; so is swimming         B. So are they; so swimming is

C. So they are ; so is swimming       D. So they are; so swimming is

【回答】

C

知識點：倒裝與省略

題型：選擇題