—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
（2013黑龙江哈尔滨）Mo Yan，a famous Chinese writer，won the Nobel Prize for literature at the end of the year 2012．We learn that success________the person with a never－give－up attitude．
A．drives out
B．takes over
C．belongs to
Mum，Harry Potter is my favorite book．I________it three times already．
A．read
B．am reading
C．will read
D．have read
Do you know that the Earth is home to________animals．
A．million
B．millions
C．millions of
D．million of
—Your classroom looks bright and tidy．
—It________after school every day．
A．cleaned
B．is cleaned
C．cleans
D．was cleaned
They haven’t found MH370________．
A．already
B．just
C．yet
