We were about to leave the classroom _____ it began to rain.
#94729
A
while
B
when
C
as
D
before
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This is ___that they all want to but it.
#94617
A
a so useful book
B
such an useful book
C
a such useful book
D
so useful a book
______ a pair of compasses, it is easy to describe a circle.
#93189
A
Having
B
To have had
C
If you have
D
If having
Little did he care about his own safety,_______he was in danger himself.
#94815
A
if
B
though
C
since
D
because
My father made me a promise ___ he would buy me a present if I got a good mark
#93029
A
when
B
which
C
that
D
if