Not until the train left did heshow up.
He was watching TV until 11 O’clockyesterday.
It’s cold outside.
The door bell is ringing,whois it,however?
那是一个周日.我周日从不起早床.有时在床上一直到吃午饭的时候才下床.
He wasn’t listening to music.
Was he listening to music?
Nobody is knocking at the door.
Is anybody knocking at the door?
I wrote no letter last night.
Did you write a letter last night?
They dislike football.
Do they like football?
He can’t drive.
Can he drive?