After chatting online for along time, Mary looked up, ＿＿that it was 11：00 pm, long past her usual bedtime.
| A．to see | B．saw | C．seeing | D．seen |
__________ I suggest, he always disagrees.
| A．However | B．Whatever |
| C．Whichever | D．Whoever |
—Hey! Lucy! Have you heard about the optional courses this year?
— __________. What about that?
| A．Not really | B．Not exactly |
| C．Not simply | D．Not nearly |
We all know the truth __________ he is telling a lie.
| A．what | B．which | C．that | D．where |
—What made her so sad at that time? She kept crying all the time.
— __________ to the ball.
| A．Without being invited |
| B．Not be invited |
| C．Be not invited |
| D．Not having been invited |
We are ready to start at short __________.
| A．information | B．advice |
| C．message | D．notice |