We meant to finish the work by dark, but we were so tired that we could not ______.

－When ______you come to Jinan－Two years ago. I have been here for two years.

It’s 8 o’clock. My mother is reading a book. My sister and I _____.

His brother doesn’t take a bus _____ home but he takes a bus ____ school.

It doesn’t often snow in my hometown in winter, but it ___be rather cold sometimes.