I just wonder _______that upsets him so much.
| A．what it is | B．what he does | C．how it is | D．why it does |
The new CRH train between Beijing and Shanghai _______ speed can reach about 380km/h will benefit people a lot.
| A．whose | B．where | C．that | D．which |
Sally looks very happy. She ________ have got the first place in the 200-meter race.
| A．should | B．could | C．must | D．might |
—How about the result?
—Well, it remains _______whether we’ve got enough support.
| A．seen | B．to be seen | C．seeing | D．to see |
Jenny found in music _______ peace which was missing in _______ world full of challenges.
| A．/; the | B．/; a | C．a; the | D．the; a |
-Are you glad that you came to Changsha？
-Yes，indeed．I going to Shanghai or Shenzhen， but I've never regretted my decision．
| A．have considered | B．am considering |
| C．had considered | D．was considering |