﹣Excuse me,is this the right way to the Children's Palace?
﹣Sorry,I'm not sure.But it _____ be.( )
A.mustn'tB.mightC.can'tD.must
Frank held his breath ______ the water to search for his ring in the swimming pool.( )
at
by
over
under
By the end of last month,Jane _____ enough money for the poor sick boy.( )
raised
would raise
had raised
has raised
Would you mind _____ care of my pet fish while I'm away on holiday?( )
take
taken
to take
taking
The host told a joke at the party and made the guests ______ a lot.( )
laugh
laughing
to laugh
laughed
Look! They ______ about the solution to the network problems again.( )
argue
are arguing
argued
were arguing