They had just finished the work _______ there was another one waiting for them.
#31462
A
while
B
when
C
as
D
since
推荐题目
(2014·河南豫北三校联考)________is well known to everyone，I should say，is that a man becomes learned by asking questions.
#30046
A
Who
B
It
C
As
D
What
-– I wonder how much you charge for your services.--- The first two are free the third costs $30.
#80672
A
while
B
until
C
when
D
before
It was______ your timely help that we accomplished the task on time.（2010·01·山西运城检测）
#32977
A
Because
B
thank
C
thanks to
D
as