David worked hard at his lessons ____ he gained high grades in the exams.
#31511
A
so that
B
in order to
C
though
D
because
推荐题目
I think Tom, as the head of a big department, should either study regularly or______ his job.
#32198
A
quits
B
to quit
C
quitting
D
quit
She thought I was talking about her daughter, __________,in fact, I was talking about my daughter.
#31444
A
whom
B
where
C
which
D
while
The medicine works more effectively _______ you drink some hot water after taking it.
#31652
A
as
B
until
C
although
D
if
The students of Senior 3 are now under great pressure for it will be just one year ______ they take the Entrance Examination.
#31576
A
since
B
after
C
before
D
when
________you never plan to visit the polar bears in the North Pole or the penguins in the South Pole，now it is the proper time to start thinking about that.
#30102
A
Until
B
Unless
C
As long as
D
Even if