30．When we are free, we usually         our friends' homes．

A．visit to            B．get to            C．drop by                   D．call on

29．Even the top students in our class        work out the maths problem , so it        be difficult．

A．can ' t, must      B．can ' t, need                   C．can, may                 D．mustn't, can

28．--Have you worked out the problem, Sam?

    --Not yet, but I        ．

A．didn't           B．am going to           C．haven't                   D．can

27．All of the three girls from S．H．E．are outgoing,         each is different． Ella is like the older sister．Selina is cute, and Hebe is mischievous．

A．because          B．as                C．but                 D．then

26．How do people usually          in the party?

A．put on           B．dress up            C．wear               D．dress

25．--Does Jane hike rock music?

    --         ．Every time I play my rock CD, she would ask me to turn it off．

A．I'm not sure                                               B．I'm afraid so

C．I don' t think so                                                 D．I'd love to

24．Bad comments can make you discouraged          helping to solve your problems．

A．instead of         B．instead            C．in place of          D．in spite of

23．People wore clothes made          of chocolate during the 8th Chocolate Show．

A．almost            B．mostly            C．most              D．the most

22．-- When shall we meet again?

    --Make it          day you like．It' s all the same to me．

A．one              B．some              C．any               D．another

21．We' 11 never give up our plan          happens．

A．however                 B．whatever           C．whenever               D．wherever