—Our Jiujiang City________a lot so far．
—Yes，I hope it will be even________．
A．has changed；well
B．changed；good
C．changed；better
D．has changed；better
—Excuse me，where is Mr.Brown’s offiee？
—Sorry，I don’t know．I________here for only a few days．
A．work
B．worked
C．have worked
D．will work
This photo reminds me________my school days．
A．of
B．at
C．to
D．in
They________five English songs so far．
A．learn
B．learnt
C．will learn
D．have learnt
It’s 7:30．I can’t believe you________cooking dinner yet，Sandy．
A．didn’t start
B．haven’t started
C．don’t start
D．won’t start
—Now Nanjing is so beautiful that I can’t recognize it．
—Yes．Great changes________in the past ten years．
A．has taken place
B．have taken place
C．took place
D．take place
