He used to ____( stay ) up late ,but now he is used to _____( go ) to sleep early .

问题描述:

He used to ____( stay ) up late ,but now he is used to _____( go ) to sleep early .
He is ______( worry )about his mother’s illness .
She spends half an hour _____( read ) every day .
It took him several days _____( travel ) here

1 stay going
2 worried
3 reading
4 to travel