考试类型: Writing > Identifying Sentence Errors
The following sentence contains either a single error or no error at all. If the sentence contains an error, select the one underlined part that must be changed to make the sentence correct. If the sentence contains no error, select choice E.
A Although it is not a fast runner, B wolves can maintain a loping run for many miles, C runningthroughout the night D if necessary. E No error