--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
Never eat food that stays over night, it tastes .
#56140
A
if, good
B
but, well
C
even though, good
D
even if, well
it rained heavily this morning, nobody in our class missed the lesson.
#56424
A
Even though
B
Until
C
Ever since
D
Because
Everything_______ well, and everyone ______ a good time.
#55705
A
go, have
B
go , has
C
goes, have
D
goes, has
We’ll visit Expo 2010 Shanghai this Sunday_______ it rains or it’s very hot．
#58511
A
since
B
if
C
unless
D
until