–There        great changes in Nanjing in the past few years. –I agree. And some more lines of the underground will be in service this year.
#37111
A
will be
B
are
C
were
D
have been
推荐题目
Ten years ago _______ only one building in our school. And in 10 years, _______ five buildings in our school.
#41816
A
there will be; there are
B
there was; there are
C
there was; there will be
D
there will be; there was
—Where have you _______ these days? —I have_______ to Hong Kong with my friends.
#37439
A
been; gone
B
been; been
C
gone; been
D
gone; gone
I    take care of my little sister at home today. 
#40554
A
will can
B
have
C
had
D
have to.