All the travelling fare, unless specifically stated _________, includes admission charges to the attractions, shows and exhibitions we visit.
| A．otherwise | B．likewise |
| C．therefore | D．still |
The country has already sent up three unmanned spacecraft, the most recent __________ at the end of last March.
| A．has been launched | B．having been launched |
| C．being launched | D．to be launched |
At the beginning of class, the noise of desks __________ could be heard outside the classroom.
| A．opened and closed | B．to be opened and closed |
| C．being opened and closed | D．to open and close |
I smell something __________ in the kitchen. Can I call you back in a minute?
| A．burning | B．burnt |
| C．being burnt | D．to be burnt |
As the light turned green, I stood for a moment, not ___, and asked myself what I was going to do.
| A．moved | B．moving |
| C．to move | D．being moved |
—Come on, please give me some ideas about the project.
—Sorry. With so much work __________ my mind, I almost break down.
| A．filled | B．filling |
| C．to fill | D．being filled |