问题

— Come on, Kitty.— Oh, good heavens! Both my legs are nearly to give out. I ____ for hours like a dog. [ ]

A: have been walking
B: had walked
C: was walking
D: walked

正确答案是：

同类题型

Small sailboats can easily turn over in the water ______ they are not managed carefully.

— When can I see you, Mr Black? Three o’clock this afternoon?— Oh, no. I ________a meeting then. [ ]

My grandpa likes ___________newspapers in the morning .

s the desk, ______desk is broken.

It was his strong sense of duty ________ made the manager decide to give the position to him. [ ]