—How many days are there a week? — Seven.A. on B. at C. in
( ) This one is for____. A. he B. she C. me
( )I _____ you . A. miss B. missing C. am miss
( ) That’s ____ good idea. A. a B. the C. \
( ) I’m writing ___ email to my friends. A. a B. an C. the
( ) What are you _____? A. do B. does C. doing