Can you tell me _____________________?
| A．when you did it so well |
| B．when did you do it so well |
| C．how you did it so well |
| D．how did you do it so well |
It is impossible for _____ little children to do _____ much work within 20 minutes.
| A．so, so | B．so, such |
| C．such, so | D．such , such |
The Hobbit is such____wonderful science fiction movie that I want to see it_____ second time.
| A．a, a | B．a, the | C．/, the | D．/, a |
Nobody knows ______ yesterday.
| A．how the accident happens |
| B．how does the accident happen |
| C．how the accident happened |
| D．how did the accident happen |
The park gates ______ at 10：00 every evening.
| A．lock | B．locked | C．are locked | D．were locked |
Mum told Andrew ______ quiet in the museum.
| A．keep | B．to keep | C．keeping | D．kept |