There __________great changes in our hometown in the past fifteen years.
#37191
A
has been
B
have been
C
was
D
were
推荐题目
---Is that Jack speaking?  ---Sorry, he _______ in. He _______ back in half an hour.      
#41814
A
isn’t; will be
B
wasn’t; will
C
isn’t; is
D
wasn’t; was
His mother ____ in a village five years ago.
#41885
A
lives
B
lived
C
is living
D
will live
 Look! The children ______ in the river.
#39757
A
swim
B
are swimming
C
is swimming
D
swims
The Reads __________ lunch when I got to their house. 
#36346
A
was having
B
were having
C
are having
D
is having