分层限时跟踪练
Ⅰ.单句语法填空
1．He showed remarkable(remark) endurance throughout his illness.
2．His knowledge of French literature is superior to mine.
3．The students are already acquainted(acquaint) with the works of Shakespeare.
4．We had no hesitation in helping(help) the Japanese when the terrible earthquake hit Japan.
5．I made an apology that I had taken your umbrella by mistake.
Ⅱ.单句改错
