The fact that people are afraid to go out at night is often a result of perceived (感知) danger ________actual danger.
There’s now a consensus nearly all over the world _____ we’re facing a fragile world peace.
People often find themselves caught in such a _____ as “whether…or not…”.
_____ the recent bad weather, the project is several weeks behind schedule.
—Have you got your exam papers? —Not yet. I guess they _____ at this moment.
—What about the package of food? —You’d better _____ it at the service counter before entering the bookstore.