E-Bay，Amazon and Shopbop are popular websites __________ people can sell goods to each other．
#30510
A
where
B
which
C
when
D
whose
推荐题目
We found some precious jars and vases in an ancient tomb, ______you know , are valuable.
#33093
A
even the pieces of which
B
which even pieces
C
even the pieces of them
D
whose even pieces
After ________ seemed an endless wait, it was her turn to enter the interview room.
#30068
A
what
B
why
C
that
D
how
Don’t put too much pressure on yourself. you keep trying, you will achieve your goals in the future.
#33904
A
In case
B
Even though
C
As long as
D
As soon as
Many teenagers say that _____ they have a lot of friends, they really have no best friend.
#32317
A
when
B
while
C
if
D
because
_______these coins are of different shapes, sizes and colors, they all date back to a long, long time ago.
#32529
A
Since
B
Unless
C
Once
D
While