I have had great deal of trouble（）.(跟得上班上的其他同学)

填空题（）(我们没有人料到主席会出现) at the party. We thought he was still in hospital.

填空题The price of beer（）(从50美分到4美元不等) per liter during the summer season.

填空题Although punctual himself, the professor was quite used（）(习惯了学生迟到) his lecture.

填空题Over a third of the population was estimated（）(无法获得) to the health service.

填空题Some women （）(本来能够挣一份很好的工资) in a job instead of staying home, but they decided not to work for the sale of the family.