31．―Do you know_____________?

   ―Tomorrow morning．

A．when the visitors will come here             B．when will the visitors come here

C．how the visitors will come here              D．how will the visitors come here

30．―I hear you like basketball very much．_____________ you on your school team?

    ―Yes, I am．

A．Am                    B．Was                 C．Were                 D．Are

29．You can only use the dictionaries here．That is they_____________ out of the reading room．

A．can take                                  B．can’t take

C．can be taken                               D．can’t be taken

28．His great progress in English made his parents really________________.

A．happy             B．happily              C．great              D．greatly

27．―You don’t look well．What’s the matter?

    ―I_____________ sleep well．

A．don’t              B．didn’t             C．won’t            D．haven’t

26．―When did you become a volunteer?

    ―Two years ago．I_____________ this group since then．

A．have joined in                              B．have joined to

 C．have been in                              D．have been to

25．We have worked too hard．Let’s stop_____________ a break．

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

24．It was very dark．So he_____________ the lights as soon as he entered the room．

A．turned on           B．turned off          C．turns on            D．turns off

23．To my surprise, she’ s_____________ than before．

A．very tall           B．the taller             C．much taller           D．the tallest

22．He ran as fast as he could_____________ he failed to get here on time．

A．and               B．but                 C．or                   D．so