涟水梁岔工业集中区:帮我看看这个句子错在哪~~?How many exercises have you been doing?
来源:百度文库 编辑:查人人中国名人网 时间:2024/04/28 23:14:14
How many exercises have you been doing?错在哪~~?
应该是时态错误,不应用现在完成进行时,应该换成现在完成时,而且exercise是不可数名词,正确的应为:
How much exercise have you done?