There _____ an English Party in our class next week.     [ ]

A. is going to have

B. is going to be

C. will have

D. will has

装配时，尽管有些主要元件存在微小的偏斜或松紧不一，接触不良现象，只要还能保持暂时的精度，就不会影响使用。（）