21、-- Do I have to do my homework now?

-- No, you           ．

A．needn't              B．can't              C．haven't                D．mustn't

20、--           ?

-- Delicious．I enjoyed it very much．

A．What's your favorite food                    B．How do you like the food

C．Would you like some more food              D．Do you like the food

19、--I love sports news．          ?

--           ．

A．Do you; I did, too                             B．How about you; I do, either

C．What about you; I do, too                       D．And you; I love to

18、Schools in China are            those in the United States．

A．differences                           B．difference from

C．the difference                           D．different from

17、            plants grow well．

A．Not all               B．No all              C．Not of all             D．No all of

16、I            a walk with my friend            Sunday evening．

A．went out; in              B．go for; in          C．go out for; on       D．went for, on

15、It's time            class．

A．for have          B．have               C．to have              D．to having

14、--            they eat here?

-- Sorry, they           ．

A．Do; do            B．Can; can         C．Can; don't            D．Can; can't

13、--Is that            interesting book?

-- Yes, but it is            difficult．

A．an; a little          B．a; a bit             C．a; a little               D．an; little

12、             do you usually            the weekend?

A．What; spend      B．How; spend        C．How; spent         D．What; spent