问题详情：
单句改错。
1. Doing(A) morning exercises(B) are(C) good for(D) our health. ________
2. The teacher said that(A) light travelled(B) much(C) faster(D) than sound. ________
3. The language(A) speaks(B) in(C) the United States is(D) English. ________
4 le（A） has been done(B) ever since(C) he left here, hasn’t(D) it ?__________
5. Could(A) you tell(B) me what(C) do (D)these words mean?___________
【回答】
1 C is 2 B travels 3 B spoken 4 D has 5 D 去掉
知识点：短文改错
题型：未分类
