There ____________ always three lights in every country: red, yellow ____________ green.

A. is; and
B. are; and
C. are; or
B
請在這里輸入關鍵詞：
相關習題

科目：小學英語 來源：同步題 題型：單選題

There ____________ always three lights in every country: red, yellow ____________ green.
[     ]
A. is; and
B. are; and
C. are; or

查看答案和解析>>


同步練習冊答案