How long do you think it will be _______ scientists succeed in providing a cure for cancer?
#92242
A
when
B
after
C
since
D
before
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The big fire in Shanghai, believed to ______ due to the burning of construction materials, caused 58 deaths and destroyed all the belongings of the people there.
#92469
A
have occurred
B
occur
C
have been occurring
D
be occurring
The small town is so good a place _____ many people come to visit ____ it has become well known all over the world.
#92943
A
that ; as
B
as ; as
C
that ; that
D
as ; that
Tom was ______ that he couldn’t understand ______ difficult sentence.
#93430
A
so a stupid boy; such
B
a so stupid boy; a such
C
so stupid a boy; a such
D
so stupid a boy; such a
Ten years ago the population of our village was that of theirs.
#92288
A
as twice large as
B
twice as large as
C
twice as much as
D
as twice much as
. My first summer vocation in the high school, _______I spent a fortnight on the farm, is really unforgettable.
#94074
A
when
B
that
C
which
D
the one