______ you ever have any trouble, let me know.
#34798
A
If
B
Whenever
C
While
D
X
推荐题目
-Did you reach the US the next day? - No. Somehow . it was three days_______ I arrived there.
#30724
A
since
B
when
C
that
D
before
Inside the White House, there is a room called the Oval Office. That's ________ President Obama works.
#30317
A
why
B
where
C
what
D
how
—I was on the point of crossing the road _______ the car accident happened.—So you are a witness.
#34146
A
where
B
when
C
that
D
which
_______ you don’t stay out too late, you may go to the party. But remember to be back here no later than 11:30 pm.
#31332
A
Now that
B
Until
C
Provided that
D
Although