Either you or he ________ the classroom every morning．
A．clean
B．is clean
C．cleans
D．cleaning
(2012山东济南)I have waited for the bus for twenty minutes．(对画线部分提问)
________________ have you waited for the bus？
(2013山东潍坊)—When did the terrible earthquake happen in Ya’an Sichuan？
—It happened ________ 8:02 ________ the morning of April 20th，2013．
A．on；in
B．at；on
C．at；in
D．on；on
What time does she ________ school and ________ home every day？
A．get；go
B．get to；get to
C．go to；get
D．go；get to
Huang Jie either runs ________ walks in the evening．
A．to
B．or
C．and
D．on
We can learn ________ from the story．
A．a lot of
B．lots of
C．lot of
D．a lot
