Scientists have to work hard to keep _____ with modern discoveries and developments.

         A. company       B. track       C. touch       D. pace

The patients believe that the doctor knows exactly how to put them _____.

          A. correct       B. perfect       C. right      D. well

The room was so quiet that she could hear the _____ of her heart.

          A. hitting      B. beating      C. tapping     D. knocking

Mary and I see each other ________, but not as often as we used to. 

A. sooner or later    B. once in a while        C. in the end        D. more or less

Many children，______ parents are away working in big cities，are taken good care of in the village.

A. their              B. whose         C. of them           D. with whom

I still remember      to the Famen Temple and what I saw there. 

A. to take     B. to be taken     C. taking      D. being taken

You will see this product made in this factory _____ wherever you go.

    A. to be advertised      B. advertised　　 C. advertise             D. advertising

I don’t want _____ like I’m speaking ill of anybody, but the manager’s plan is unfair．

    A to sound       B to be sounded     C sounding     D to have sounded

Try not to be absent from class again for the rest of the term. You _____ too many classes. You _____ two classes just last week.

A. have missed; missed       B. missed; missed

C. had missed; have missed       D. will miss; have missed

No one in the department but Tom and I _____ that the director is going to resign.

A. knows       B. know       C. have known        D. am to know