27．There is a teacher's desk ________ the classroom．

A．in front             B．in front of            C．the front             D．in the front of

26．I think table tennis is ________ boring．

A．kind of              B．all kinds of            C．a kind of'             D．kinds of

25．―Thank you very much for helping me．

― ________．

A．You are welcome                            B．Don't say that

C．You're very kind                              D．Thank you，too

24．Mr. Zhang is busy ________ his book now．

A．writs               B．to write              C．writing              D．write

23．Can you teach ________ to play football?

A．they                B．them                C．their                 D．theirs

22．There are many ________ on the big tree．

A．leaf               B．leafs                C．a leaf               D．leaves

21．There is ________ “u” and ________ “s” in the word “bus”．

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

20．What's in the river?

A．There're some ducks m it．              B．There're some fish in it．

C．There're some boats in it．

19．Where are Lucy and Lily standing?

A．At a table．                                           B．On the playground．

C．Under a tree．

18．What are some children doing?

A．They're playing soccer．                B．They're playing games．

C．They're running．