求英语题的详细解答,还有翻译1. Every minute he could spare was made use __

求英语题的详细解答,还有翻译
1. Every minute he could spare was made use __________ spoken English.
A of to practise B of practising C to practise D to practising
2.Sherlock Holmes is famous____________ a detective as he is known ___________ everybody __________ his quick thinking and careful observation.
A as; to; for B to; for; by C for; to; as D to; as; for
3.Professor White has written some short stories, but he is __________ known for his plays.
A the best B more C better D the most
4.The number of people invited __________ fifty, but a number of them __________ absent for different reasons.
A were; was B was; was C was; were D were; were
5.The cleaning workers are on strike to make ___________ they are doing an important and necessary job for society.
A it clearly that B it clear that
C that clear D that clearly
6.As was required, we _________ finish the task within one hour.
A were going to B were about to
C would D were to