—It’s the office! So you ________ know eating is not allowed here．

       —Oh, sorry．

       A．must                   B．will                     C．may                    D．need

 I called Hannah many times yesterday evening, but I couldn’t get through．Her brother ________ on the phone all the time!

       A．was talking          B．has been talking    C．has talked            D．talked

 But for their help, we ________ the program in time．

       A．can not finish                                      B．will not finish

       C．had not finished                                   D．could not have finished

 In peace, too, the Red Cross is expected to send help ________ there is human suffering．

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

 In just a decade, the company has been ________ from a family business to a large operation．

       A．transformed         B．transmitted          C．transferred          D．transported

 The folk song concert was so well _______ that all the tickets had been sold out on the first day．

       A．accepted             B．recognized           C．received              D．promised

 —I’ll join the music club ________ Mary is in the club, too．

       —You mean if Mary joins the club you’ll do, too．

       A．in case                B．so that                 C．now that             D．on condition that

 Bears often hide themselves in places ________ can’t be found by hunters．

       A．in which              B．where                 C．that                     D．不填

 When I turned to the person ________ next to me, I recognized that he was my schoolmate．

       A．seating                B．being sat              C．sit                       D．seated

 Of all the books on the desk, ________ is of any use for our safety．

       A．nothing               B．no one                 C．neither                D．none