Mary ___________to see you．She．_________ for you downstairs at the moment．

A．has come；is waiting             B．came；is waiting

C．has come；waited                 D．came；was waiting

 It is impossible for____________ little room.

A. so, such     B. so, so      C. such a, so   D. such, such

Besides Tom, ________ Crosettes have two other sons, __________ of whom are all interested in making model planes.

A. 不填; two                        B. 不填; the two  

C. the, three                       D. the, the three

 Mr. Alcott, headmaster of the school, refused to accept made by the Students' Union.

A. either       B. neither          C. any          D. none

. My pain ___________ obvious the moment I walked into the room, for the first man I met  asked me pitifully:" Are you feeling all right?"

A. must be                       B. must have been    

C. could be                      D. could have been

--Are you sure to help me find____________ bed for my new house?

--Of course, but not now. I'm heading, for____________ bed and a good sleep.

A. a,a          B. a,不填         C. the,a        D. a, the

America was____________ was first called" India" by Columbus

A. that          B. where          C. what       D. the place

--Where is Xiao Wang?

--I don't know. He__________ be in the library.

A. can           B. must          C. might         D. may

. Neither of them knew what        was doing.

A. other        B. others      C. the other     D. another

--__________ was it_________ they discovered the entrance to the underground place?

--Totally by chance.

A. How; that    B. What ; that    C. When; when    D. Where; that