He was warned ________ the dangers he would have to face.

We had to spend three more hours waiting in ______cafeat the airport because _______ flight was delayed.

Jane’s grandmother wanted to write children’s book for many years, but one thing or another always got in way.

Kate ________ take NO.1 bus to the library.

It is the respect for universal rights, our respect for different cultures, and our _______to international laws that guide China’s openness to other countries.