Misunderstandings_______ from short of communication, unless______ properly, may lead to serious problems.
A.arisen; handling B.arising; handled
C.rising; handled D.risen; handling
________ where we can stay for a week.
A.Next is another hotel to it B.Next to it another hotel is
C.Next to it is another hotel D.It is next to another hotel is
Carbon dioxide(CO2)_______ from burning fuels is the most common of the so-called greenhouse gases.
A.producing B.having been produced
C.to be produced D.produced
We must apply what we have learned to our daily work because in no case_____ from practice.
A.should theory separate B.theory should be separated
C.theory should separate D.should theory be separated
Mrs. White found her husband surrounded by letters and papers and_______ very worried.
A.look B.looked C.looking D.to look
----What are you busy with?
---- The conference_______ in our city next week.
A.held B.to be held C.be holding D.will be held