It took the police a long time to find some evidence. The new evidence led to ____________.

Since entry into high school the students have been________ staying up late in the evening and getting up early in the morning.

(2013·高考福建卷)The girl has a great interest in sport and ________ badminton classes twice a week over the last three years

8 He said that I would go abroad next month, ______?

_____ makes a new invention such a wonderful thing is ____ it allows us to do something ____ we could not do before.