Teachers, train drivers, oil refinery workers and other French employees have _____to strike in protest of President Sarkozy’s pension (养老金) reforms.

____homework is requiredfor a middle school student every day —About two hours. A. How much B . Howmany C. How long D.How often

We have to ____the sports meeting till next Friday becauseof the bad weather

Mr. Smith, _______ of the ______ speech, started toread a novel.

I don’t think your sister has finished her French course, ______? [ ]