Mary didn’t understand made her deskmate so upset all the morning.
| A．it was that | B．why it was that |
| C．how that was | D．what it was that |
One-third of the country ______ covered with trees and the majority of the citizens ______ black people.
| A．is; are | B．is; is |
| C．are; are | D．are; is |
Only when he apologizes for his rudeness ______ to him again.
| A．I will speak | B．will I speak |
| C．do I speak | D．I speak |
It doesn’t matter if they want to come to your party, ______?
| A．doesn’t | B．does it |
| C．don’t they | D．do they |
It was with the help of the local guide ______ the mountain climber was rescued.
| A．who | B．that | C．when | D．how |
—What’s all that noise about outside?
—Oh, I forgot to tell you. The road to the railway station ______.
| A．will be widened | B．is to be widened |
| C．has been widened | D．is being widened |