1 can't find my ruler. I don't know _____ it's somewhere in the living room.( )
A.soB.ifC.butD.be
China successfully hosted the Belt and Road Forum_________May,2017.( )
on
in
by
Jack is such__________friendly boy.He gets along well with his classmates.( )
a
an
the
﹣Mr.Black,could you tell me ______?
﹣At 10:00 tomorrow morning( )
where we'll go hiking
when we'll have a meeting
whether you'll come to my birthday party
﹣I hear Susan will go to Beijing by herself.
﹣That's true._______ her father _________ her mother will go with her.( )
Both;and
Either;or
Neither;nor
﹣When is the 31 stOlympic Games?
﹣It ________ in Rio do Janciro of Brazil in August,2016.( )
held
is held
will be held