I have always been honest and straight forward, and it doesn’t matter ______ I’m talking to.

A. who is it           B. who it is              C. it is who                D. it is whom

I feel that one of my main duties ______ a teacher is to help the students to become better learners

A. for            B. by           C. as             D. with

All the employees except the manager______to work online at home

A. encourages    B. encourage    C. is encouraged       D. are encouraged

It was with great joy           he received the news that his lost daughter had been found.

    A．because        B．which     C     C．since          D．that

Having been ill in bed for nearly a month ,he had a hard time________ the exam.

A．pass           B．to pass        C．passed         D．passing

It is certain that he will__________ his business to his son when he gets old.

A．take over      B．think over     C．hand over      D．go over

―I’ll tell Mary about her new job tomorrow. 

―You________ her last week.

 A．ought to tell    B．would have told    C．must tell    D．should have told

―Scientists say it may be five or six years        it is possible to test this medicine on human patients.

    A．since          B．a(chǎn)fter          C．before         D．when

It was a pity that the great writer died _________his works unfinished.

A．for            B．with           C．from           D．of

The number of people present at the concert was  _______than expected .There were many tickets left.

A．much smaller   B．much more      C．much larger    D．many more