Christina wasn’t saying anything, but the professor smiled at her _______she had done something very clever.
#31695
A
as if
B
now that
C
while
D
though
推荐题目
It will be quite a long time _______ she is back again, so don’t be too cross with her.
#31578
A
before
B
since
C
that
D
until
My mother is always warning me when I go out, “Don’t get off the bus ____ it is stopping.”
#80007
A
until
B
before
C
while
D
after
They are talking so warmly and it looks ___ they had been old friends.
#33980
A
even if
B
if
C
as though
D
as
_________ many countries in Latin America have been trying to reduce gaps in income, America has allowed inequality to grow.
#32971
A
While
B
Since
C
If
D
Where