单簧管哨片安装:英语菜鸟的提问
来源:百度文库 编辑:杭州交通信息网 时间:2024/05/13 12:13:35
Why did you keep me ______ so long?
It's too bad
A.wait B.to wait C.waiting D.waited
It's too bad
A.wait B.to wait C.waiting D.waited
选C。固定搭配,keep sb. doing sth.使(某人)…(持续)做(某事)…
c keep doing sth 持续作某时
c