I ______ him in time, otherwise he would have fallen off the bike.
| A．had supported | B．supported | C．have supported | D．support |
—Thank you for joining in our conversation tonight.
—_____.
| A．It’s my duty | B．It’s all right | C．It’s my pleasure | D．With pleasure |
It was in the street_________ I met Mary yesterday .
| A．that | B．when | C．where | D．what |
Do you have any difficulty ________?
| A．on listening | B．to listening | C．for listening | D．in listening |
The policeman warned the driver ________ so carelessly.
| A．never to drive | B．to never drive |
| C．to not drive | D．doesn’t drive |
You can never know ________ when she received our nice birthday presents.
| A．how Mary was excited | B．how excited Mary was. |
| C．How excited was Mary | D．Mary was how excited |