A．investmentsB．requirementsC．arrangementsD．installments……

单项选择题As the mountains were covered with a __________ of cloud, we couldn't see their tops.

单项选择题The magician made us think he cut the girl into pieces but it was merely an __________.

单项选择题Several guests were waiting in the __________ for the front door to open.

单项选择题They believed that this was not the __________ of their campaign for equality but merely the beginning.

单项选择题He developed a __________ attitude after years of frustration in his career.