Audiences were greatly ______ by the video class about weightless conditions _____ in Tianggon-1 space station.
| A．impressing; presenting | B．impressed; presenting |
| C．impressing; presented | D．impressed; presented |
For breakfast he only drinks juice from fresh fruit ___ on his own farm.
| A．grown | B．being grown | C．to be grown | D．to grow |
Scientists have many theories about how the universe ___ into being.
| A．came | B．was coming | C．had come | D．would come |
Scientists have many theories about how the universe ___ into being.
| A．came | B．was coming | C．had come | D．would come |
You may use the room as you like ___ you clean it up afterwards.
| A．so far as | B．so long as | C．in case | D．even if |
John plays basketball well, ___his favorite sport is badminton.
| A．so | B．or | C．yet | D．for |