everybody enjoys fresh cut flowers around his house．few people know how to keep them for as long as possible．
#79959
A
Because
B
Since
C
While
D
If
推荐题目
—Hello, can I speak to Mr. Smith?—I’m sorry, but it is 3 weeks _____ he worked here.
#31785
A
before
B
since
C
after
D
while
It seemed only seconds ________ the boy finished washing his face.
#30993
A
the moment
B
since
C
after
D
before
— I told you that he would come to see you.— Actually I had little doubt _____ it was true.
#80622
A
whether
B
that
C
since
D
if
Many of them turned a deaf ear to her advice, _______ they knew it to be valuable.
#34453
A
even though
B
now that
C
as if
D
as long as