I think he's been drinking, _______ I'm not completely sure.
#56106
A
if
B
though
C
because
D
while
推荐题目
—Happy Teachers’ Day! Here are some flowers for you. — beautiful flowers they are! Thank you!
#55511
A
How
B
How a
C
What
D
What a
Learning to write is learning to think. You don’t know things clearly _______ you can write them down.
#56362
A
unless
B
if
C
since
D
whether
---Where was your sister at this time yesterday evening ? ---She was writing an e-mail ______ I was watching TV at home.
#57132
A
after
B
as soon as
C
while
D
until
As your best friend, I will help you all the time _______ you make progress.
#57693
A
if
B
when
C
unless
D
though
— Sam, you don’t work hard at geography.— My dad says that the world is changing every day, I decide to wait until it stops.
#55221
A
because
B
while
C
if
D
so