Mary's parents wanted to know________
A. if she worked hard in the office
B. how did she work in the office
C. what did she work in the office
I have waited for the bus for twenty minutes．(对画线部分提问)
________ ________ have you waited for the bus？
—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 |
I usually get up ________ six thirty ________ the morning．
A．in；on
B．on；in
C．at；in
________ do you usually go to bed？
| A．What time |
| B．How |
| C．Where |
| D．Who |
________ clever the boy is！
A．How
B．What
C．What a