问题

I ______ the streets in our neighborhood this time yesterday when you called me.

A:was cleaning
B:have cleaned
C:am cleaning
D:would clean;

正确答案是：

同类题型

My newlypurchased magazine is nowhere to be found.________ I have left it on the train?[ ]

Who won _____ prize for the “MostBeautiful Nature” photography — _____ 18-year-old girl.

Why are the housing prices in big cities going up all the time? —————One reason is that people are__________ into overcrowded cities in great numbers.

I’m sorry for losing your book .— ______________

Out there, in the midst of the snow, ______ in long, black clothes．