________her home, Mary helps her mother with some housework

You look so tired. Why not ______

I hear Li Yuan wants to be a cosmonette(女宇航员) like Liu Yang. It’s difficult for her.—But I think she can ______ her goal after work hard.

On the graduation day, he received from his father a nice presenta note was attached, saying “I’m proud of you.”

Had I known about this computer program, a huge amount of time and energy .