Playing on a frozen sports field sounds like a lot of fun. Isn’t it rather risky, _______

The guard at the entrance didn’t ______ me in though I had begged him many times.[ ]

What do you think of ________________ film about ZhanTianyou—It’s _____________ good film.

The police officers stood at either end of the highway, 　　　　Ray no chance of escape.

Progress so far has been very good ________, we are sure that the project will be completed on time[ ]