19 “Who are making so much noise in the garden?” “_______ the children.”
#84648
A
It is
B
They are
C
That is
D
There are
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Between the two mountains _________ the factory where my father used to work.
#82327
A
stand
B
standing
C
to stand
D
stands
Only after Mary read her composition the second time __________ the spelling mistake.
#82243
A
did she notice
B
she noticed
C
does she notice
D
she has noticed
_______ about wild plants that they decided to make a trip to Madagascar for further research.
#81269
A
So curious the couple was
B
So curious were the couple
C
How curious the couple were
D
The couple was such curious
Many provinces have been hit with smog. If _______ unsolved, the problem may lead to more serious results.
#80140
A
having left
B
to leave
C
left
D
leaving