---I went to see my friends off at the airport.
---Is that_____you were late for the important meeting?
| A．because | B．why | C．how | D．reason |
. ______Shen Xue and Zhao Hongbo_____a gold medal in Canada in the Winter’s Olympic Games is really a pride for all Chinese people
| A．What；carried out | B．That；carried off |
| C．How；carried on | D．Why；carried off |
. ----Daddy，look! Why______rainbow is like a bow?
----Oh，it is apologizing to_______angry sky.
| A．the；an | B．a；／ | C．a；an | D．the；the |
----Jimmy, shall I give you a ride as you live so far away?
----Thank you very much. __________.
| A．It couldn’t be better | B．Of course you can | C．If you like | D．It’s up to you |
As far as I know, this maths problem is _______________ that one.
| A．twice so difficult as | B．twice as difficult as |
| C．as twice difficult as | D．so twice difficult as |
. Tom as well as his classmates __________ a song when the teacher came into the classroom.
| A．are singing | B．were singing | C．is singing | D．was singing |