It really seemed ages _____ thepolice came on the scene and cleared away the damaged cars　

Have you ever wondered why some of thesmartest students in your class sometimes ________ failing exams

Joining the firm as a clerk, Peter got rapid promotion, and ______ as a manager.

You have been working for hours It’s no______ you areexhausted Why not take a rest

the construction of theQinghai-Tibet Railway, 33 migration overpasses have been made_______for herdsof Tibetan antelopes to go through their breeding grounds.