John and Mary’s room _______ on fire．Many _______ help them put out the fire．

       A．are; passer-bys                                  B．is; passers-by                                    

       C．is; passer-bys                                    D．are; passers-by

 —It is high time that we _______ to school．

       —If only the alarm clock _______!

       A．should go; rung                                 B．shall go; had rung                       

       C．shall go; rung                                     D．should go; had rung          

 With so many evidence against him he had to____ his errors openly．                                                      

       A．refuse               B．acknowlege       C．declare             D．recognize

 I must go home now, _______ I have many exercises to _______．

       A．for; do                B．since; to be done  C．since; doing      D．for; to be done

 What you are saying is not ____ to the question under discussion．Please think twice before you make any suggestions．

       A．strange             B．common           C．familiar             D．relevant  

 _____ troubles me most right now is____ I can’t remember where I have put my car keys．

       A．That ;what       B．What;that         C．What;what       D．That;that

 The environment is getting worse in the present days, so the government must take _______ to stop people _______ too many trees．

       A．methods; to destroy                            B．methods; from destroying

       C．measures; from destroying                   D．measures; to destroy 

 We are very annoyed ______ his mistake, because we have emphasized this for several times．       

       A．at/about           B．with                C．on                  D．to

 Wherever he goes ,the young man is able to readily____ himself to new environment．

       A．include            B．contain            C．accommodate                           D．hold

 _________ countries and areas have been seriously hit by the typhoon．Now people in the affected areas are ______food and fresh water．

       A．A number of; lacking in                        B．The number of; lacking in

       C．A number of; lacking of                       D．The number of; lacking of