My little sister ________ at home. I need to be with her.

______ your new job ______, Jim –Well, it is usually full of fun. But I have to keep busy.

__ carefully if any change occurs when doing experiments in the lab..

Many people think women are better at cooking than men.—______.Most top chefs(厨师) in the world are men.

Dad,you have worked for so long time. Stop and have a rest.