注意：此页面搜索的是所有试题
题目内容
（西北师范大学-作业）
What’s the problem with your bike? -- _________
(A) Not at all.
(B) Good, thank you.
(C) Nothing serious.
(D) Sure
(A) Not at all.
(B) Good, thank you.
(C) Nothing serious.
(D) Sure
参考答案