My mother often spends 2 hours ______ housework every day.

Enough sleep is very important for health. If you for your favorite programmes， you will feel sleepy in class.

Many people can not learn any lessons from the mistakes____they get hurt somehow.

What were you doing when I phoned you last night? —I my painting and was starting to take a bath

I am looking forward to the daymy daughter can read this book and know my feelings for her.