—How long has John been here? — Two years, _______ he still has no friends.
#56711
A
and
B
so
C
but
D
or
推荐题目
He was just falling asleep _____ there was a loud knock on the door.
#56552
A
while
B
when
C
then
D
until
In summer milk will quickly go bad_____ it is put into a fridge.
#55322
A
though
B
unless
C
because
D
once
