—I reminded you not to forget to turn off the lights when you left the classroom.
—________.
| A．So did I | B．So you did |
| C．So do you | D．I do so |
North Korea has always sought for a direct talk with the US, without China ________.
| A．involving | B．to involve | C．involved | D．be involved |
Her piano skills were so good________a ten – year – old that the judges of the contest simply couldn’t believe it.
| A．for | B．as | C．to | D．about |
The young tribal man helped Mrs. Davidson find her way back, in return for________medical equipment was offered to him by the latter.
| A．that | B．whose | C．which | D．whom |
The difficulty solving such a problem ten years ago was twice greater than________is today.
| A．it | B．that | C．as | D．what |
--- Damn! I________more to avoid that !
--- Don’t cry over spilt milk. Besides, it wasn’t your fault.
| A．could do | B．should do | C．might have done | D．would do |