31．My father                     on business for two weeks．He'll return in 3 days．

    A．1eft                                                        B．has left

    C．has gone                                                   D．has been away

30．There are many trees on                     sides of the street．

    A．either                         B．both                     C．each                             D．every

 29．The teacher asked him to be               next time．

    A．mere careful                                            B．more carefully

    C．most careful                                            D．the most carefully

28．No one                  in the accident last night．

A．is hurt                  B．hurted                 C．hurts                   D．was hurt

27．The dollars                   not enough for him to buy a T―shirt．

    A．is                         B．are                      C．has                        D．Wets

26．―What did she do yesterday?

      ―She wrote                     composition．

A．a 800― words                                        B．an 800―word

    C．an 500―word                                                  D．a 400―words

25．Does the desk need               ?

    A．repairing             B．to repair                C．repaired                 D．repairs

24．I didn't notice                then．

    A．what he is doing                                      B．what he was doing

    C．what is he doing                                        D．what was he doing

23．―Would you like to drink tome water?

    ―                 

A．Yes，1 would                                         B．No，thanks

    C．No，1 wouldn't                                         D．Yes，I am fine

22．―Is it                   girl you saw last night?

    ―Yes．She is               very nice girl

A．a；the                 B．a；a                    C．the；the                 D．the；a