Help me with this task, please.

1. Diana is thinking about which job is better for her.

A. Being a nursery-maid is less boring than being a teacher.
B. Being a nursery-maid is interesting than being a teacher.
C. Being a nursery-maid is more interesting than being a teacher.
D. Being a nursery-maid is as boring than being a teacher.

2. Scott and Diana are talking about their plans for the next weekend. Complete the following dialogue with the most appropriate sentence according to the context.

Diana: What are you going to do this weekend?
Scott: I'm not sure yes. Why?
Diana: Well, my parents are having a party on Saturday.
Scott: Are you sure it's O. K? I don't know your family.
Diana: Of course! The always like to meet new people. We will have a lot of fun.
Scott: O. K. that sound nice. I would like bring some liquor.
Diana: Well, if you want to do it, it we'll be o. k.

A. Do you like to come to the party?
B. Must you come tonight to the party?
C. Have you planned to come the party?
D. Could you like to come to the party?

3. Contamination is one the world's problems.

A. More cases have been causing skin sickness by the reduction of the protective ozone layer.
B. More cases of skin sickness have been caused by the reduction of the protective ozone layer.
C. By the reduction of the protective ozone layer, more cases of skin sickness had caused.
D. By the reduction of the protective ozone layer had causing more cases of skin sickness.