(2013·高考陕西卷)I have heard a lot of good things about you________I came back from abroad.
#30661
A
since
B
until
C
before
D
when
推荐题目
He is a key ____________ in the murder so we must protect him from all kinds of danger.
#34297
A
witch
B
watcher
C
wizard
D
witness
(2013·四川省乐山一模)The pupils were playing games in the classroom ________ a gunman entered and began shooting wildly at them.
#30425
A
while
B
when
C
as
D
before
Finally, I bought the new book,_____I spent twenty yuan, in the bookstore where a friend of mine is the boss.
#34219
A
on which
B
which
C
for which
D
that
______ a phone is of great help, I don’t think it’s a good idea to spend too much time on it.
#31531
A
If
B
While
C
Because
D
As
