Several hours later, with the help of the police, the students managed to escape from the dangerous place, _______.

Stephen Hawking believes that the earth is unlikely to be the only planet ___________ life has developed gradually[ ]

wly married couple couldn’t afford to buy a new car ; __________ , they bought a used one .

Hangzhou isdistinguished its beautiful scenery.

We are considering the students’ request _________ the school canteen should provide more kinds of food especially during the weekends．