_________a stone tower near the old pine tree.
| A．It used to be | B．There used to be |
| C．There used to have | D．It is used to be |
— I'm leaving tomorrow.
— Oh, what a pity! I won't be able to see you off. I ____ a tele-conference the whole morning.
| A．have | B．am having |
| C．will be having | D．will have had |
On June 16, 2012, it arrested the world’s attention ______ Shenzhou 9 spacecraft was successfully sent into the sky with the first Chinese woman astronaut.
| A．that | B．what | C．if | D．why |
New traffic rules that took effect on January l, 2013 are much stricter______ than in the past．
| A．that | B．this | C．those | D．what |
Rock climbing is ___ great fun. You will get close to ____ nature and take adventures at the same time.
| A．/; / | B．a; / | C．a; the | D．/; the |
— In order to improve your English, you need to practice more.
— ______. Practice makes perfect.
| A．Certainly, go ahead | B．Well, it depends |
| C．I don’t think so. | D．I couldn’t agree more |