—You look rather tired. _______stop to take a rest？—All right. But I’ll have to work for a few more minutes.

It’s too late to go out now and        , it’s starting to rain.

--Does Lily _____any brothers? ---No.________she has two sisters.

—How about joining us in the summer camp? —I wish I could, ___________ I have to practice for the piano test. 

Although he is a little boy,_____he speaks English well.