.It was so dark in the cinema that I could hardly ________ my friend. 

The world economy has improved ________ since the end of last year，but major problems and challenges are not fully solved.

The Bull team ________ the football match and they _______ much experience in playing football. 

The ________ on driving after drinking alcohol is being carried out all over the country, which is helpful to reduce traffic accidents.

He was determined not to be the first ______it.