A good teacher must be able to hold his students’ attention ____ he reaches the end of the class.
#31352
A
when
B
after
C
until
D
unless
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She worked hard ________ everything would be ready by the time he came back.
#80243
A
since
B
so that
C
as if
D
unless
You can borrow my car ________ you promise not to drive too fast.(2012·江西，31)
#30441
A
unless
B
even if
C
in case
D
as long as
The engineers are so busy that they have zero time for outdoor sports activities,___they have the interest.
#30725
A
wherever
B
whenever
C
even if
D
as if
These natural parks are important for preserving animals, which would ________ risk dying out.
#31895
A
merely
B
rather
C
otherwise
D
moreover
My parents don’t mind what job I do ________I am happy.
#79659
A
even though
B
as long as
C
as soon as
D
as though