--There so many foreigners in the streets these days.-- They might be runners in the Yellow River Estuary (入海口，河口) International Marathon.
#56365
A
is
B
are
C
have
D
will be
推荐题目
— May I go to the concert with you?— I’m afraid not ______ you have a ticket, because I have only one.
#56096
A
unless
B
since
C
if
D
though
—Would you like to go to see Liu Qian’s magic?--I’d like to, _____ you don’t want to go alone.
#58238
A
before
B
after
C
until
D
if
You can’t go to the mall with John, he has got his driver’s license.
#56307
A
even though
B
because
C
so
D
if