He likes to sleep ______ all the windows _____

Not only English but also maths _______ my favourite subject.

dn’t Clair apply for the job She _______ it.–She ________ so, if her daughter hadn’t fallen ill.

The real-name policy for train tickets has been applied to all trains since January 1,2012 in China, ______ I think will make it easy for people to get tickets.

We didn’t have enough chairs, _____ some of the students had to sit on the floor[ ]