( )26.— ?
—I have some throat ,doctor.
A. How are you,Nuncy B. What do you do
C. What’s the matter D. How’ the weather
( )27.— do you clean the school laboratory ?
—Once a week,I think.
A.How soon B. How often C. How far D. How long
( )28.—Sam,you late again this morning .Why?
—Sorry,Mr Green.I missed my school bus.
A. got B. woke C. reached D. arrived