问题
选择题
选出能替换划线部分的一项。 |
He goes to work by bike once in a while. |
A. often B. never C. sometimes D. ever |
答案
答案:C
选出能替换划线部分的一项。 |
He goes to work by bike once in a while. |
A. often B. never C. sometimes D. ever |
答案:C