It’s not easy for the expert to ______ pig flu. in humans from regular human seasonal influenza.

A. distinguish        B. separate         C. identify        D. recognize

 It was the very place _________ the soldiers fought over sixty years ago.?

　 A. that 　 B. which

　 C. where 　 D. there

That is not the way ______I do it.

A./       B.which      C.for which     D.with which

This is the hotel _______last month.

A. which they stayed               B. at that they stayed

C. where they stayed at             D. where they stayed

(2009福建顺昌模拟)——We can never forget the days _______ the two astronauts in spaceship worked together and the days ________ we spent together.

 A. when; which  B. which; when  C. what; that  D. on which; when

(2009安徽安庆模拟) He _____ have completed his work; otherwise, he wouldn’t be enjoying himself by the seaside.

A. should        B. must         C. wouldn’t         D. can’t

(2009安徽合肥质检)Having failed in many attempts，the bird       managed to escape from the cage．

A．suddenly       B．naturally

C．immediately    D．eventually

(2009浙江宁波质检)The building around the corner caught fire last night．The police are now _______ the matter．

    A．getting through      B．working out      C．looking into     D．watching over

She pretended _______ me when I passed by.

A. not to see     B. not seeing    C. to not see     D. having not seen

 Remember everybody you meet online is a stranger. So when you can’t see a person, they could be _________.

       A．everybody             B．somebody             C．anybody              D．nobody