27．We have socks _______   all colors  _______  $5 each．

   A．at；in                   B．in；for                 C．at；at

26．―Can I help you?

    ―_____________

   A．No，please don't     B．Yes，please          C．You're welcome

25．Her parents ______ lunch at home  

   A．doesn't have           B．don't have             C．hasn't

24．There ______ some  ______  on the table．

   A．is，tomato            B．are，egg               C．is，chicken

23．―Do they like hamburgers?

    ―Yes，they like ________ very much．

   A．it                          B．them                    C．their

22．He has ________ egg and ________ hamburger．

   A．an，an                  B．a，a                     C．an，a

21．―Let's have oranges．

    ―________________________. 

   A．That's sound good                                       B．That sound good

   C．That sounds good

20．When does she do housework?

   A．Before dinner．    B．After dinner．       C．At six P. m．

19．What time does she get home?

   A．At 5 p. m．           B．At 7:40 P. m．    C．At 5:30 P. m．

18．How does she go to work? 

   A．By subway．         B．By bike．             C．By car．