在休假

A. in holiday
B. in the holiday
C. on holiday
D. on the holiday

在婚礼上

A. at a wedding
B. at wedding
C. on a wedding
D. on wedding

在迪斯科舞厅

A. in disco
B. in a disco
C. at disco
D. at a disco

The Trade Union ___________ (cover) a plot that the management is to reduce the staff by half next month.

The _______ (deep) of her love for her boyfriend can be found in the poems she wrote to him over the past ten years.