____ he drives or takes the train, he will be here on time．
#34104
A
Whether
B
If
C
That
D
How
推荐题目
The director thought I was referring to her, in fact, I was referring to the men on duty.
#33052
A
when
B
where
C
which
D
while
____ I understood very little French, I couldn’t follow their conversation.
#32763
A
Although
B
Unless
C
Since
D
Before
________ it is, the boy never seems to be able to finish it off.
#30273
A
However interesting a book
B
Whatever interesting a book
C
How interesting a book
D
What an interesting book
She hasn’t had time to travel around ______ she started her new job.
#34765
A
since
B
but
C
yet
D
however
--Shall Mary come and play computer games?--No,__________ she has finished her homework.
#80320
A
when
B
if
C
unless
D
once