Several weeks had gone by _______ I knew the painting was missing.
#32417
A
as
B
since
C
until
D
before
推荐题目
______ nearly all behavior is learned behavior is a basic assumption ______ has been put forward by the social scientists.
#31572
A
What, that
B
That, what
C
What, what
D
That, that
________ the tower building，where you can see the whole city
#31201
A
Standing on the top of
B
If you climb to
C
When you reach the top of
D
Get to the top of
“How long have you stayed in this hotel?”“Not long, just ______ this Monday.”
#79915
A
on
B
since
C
until
D
after