c. bad toD. good for

You will be successful in the interview ______ you have confidence.

His mother likes to have him next to her _____ she can keep an eye on him. [ ]

To be________ engineer is my dream. I’m going to study math really_________.

I am going to the dentist at 4 o’clock and it is 3：30 now.— Well, if you ______ leave earlier today, please ask the director for permission.