--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
—Mary，I don’t know ____ you can come tomorrow morning.—No problem! I’ll be here _____I’m free then.
#55784
A
if；if
B
if; whether
C
whether；till
D
whether；until
Don’t put your hand out of the car window, ______ you will be hurt by the passing traffic.
#56528
A
but
B
so
C
and
D
or
-- _______is it from here to the station?-- It’s ten minutes’ ride.
#55571
A
How long
B
How far
C
How much
D
How many