The reason _____ he refused to attend the meeting was that they didn’t give him an invitation earlier.
A．how B．which C．why D．because
—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
