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
―What    your English teacher doing now?  ―He _____ a newspaper.
#42429
A
is, reading
B
is, is looking at
C
does, watching
D
is… is reading
My uncle’s plane ____. Let’s wait for him here. 
#42041
A
hasn’t arrived
B
didn’t arrive
C
doesn’t arrive
D
couldn’t arrive
British Prince William(威廉王子) and Kate _________ for nearly two months.
#42127
A
married
B
have married
C
have been married
D
have got married
By the first day of August, 2007, the PLA ________ for eighty years.
#39441
A
founded
B
has founded
C
has been found
D
had been founded