There’s no way of knowing why one man makes an important discovery ________ another man, also intelligent, fails.
#31181
A
since
B
if
C
as
D
while
推荐题目
Tim is always lying, thus no one will believe _______ he says.
#34810
A
no matter what
B
why
C
which
D
whatever
The news is spreading around the airport is a heavy storm is coming.
#80157
A
what; /
B
that; that
C
/; that
D
that; which
She opened her eyes and was about to cry out ______ she heard her father urgently telling her to keep quiet.
#30841
A
when
B
while
C
before
D
after
__________ printed, this science fiction will be popular among the students.
#32558
A
Before
B
Unless
C
Although
D
Once