When you have_____test,you must be careful all______time 。A. a;/ B. a;the c. an;a
—The twins are good at singing. —Yes, but I don’t think Lily sings as _________ as Jane.
You don't have to worry about me. I'm old enough tomyself.
Which sign can you probably see in the library? A.B.C. D.
—What a beautiful dress you are wearing today! —_________. It’s nice of you to say so.
Rock music may _______nice to young people, but most old people can’t stand it.