—Are you free this Sunday?— Yes. If it_____ , I will go shopping with mum.
Uncle Li______ does sports, so he is very strong and healthy.
There is______ “u” and ______ “s” in the word “use”.
I have been working so hard these days for the big exam. I feel_____. I’m afraid I can’t pass it.
You must keep in good_____.
I have_____ friends, so I am lonely.