Lawrence Craven, a doctor from the USA, is the author of several published reports, one of which introduced the idea in 1953 ________ aspirin could reduce the risk of heart attacks by thinning blood.
| A．when | B．where | C．that | D．which |
—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 |
I invited her over to my house and showed her the ring, but __________ she left, I noticed the ring missing.
| A．the moment |
| B．the moment when |
| C．when the moment |
| D．at the moment when |