Because of the financial crisis, days are gone _   _ local 5-star hotels charged 6,000 yuan for one night.

A. if                  B. when             C. which             D. since

Because of the financial crisis, days are gone _   _ local 5-star hotels charged 6,000 yuan for one night.

A. if                  B. when             C. which             D. since

Because of the heavy traffic，it was already time for lunch break______she got to her office．

   A．since    B．that    C．when      D．until

Because of the financial crisis, days are gone _   _ local 5-star hotels charged 6,000 yuan for one night.

A. if                  B. when             C. which             D. since

Because of the Mid-autumn Day happening to _________, we have just enjoyed a longer          National Day vacation than ever before, but it is estimated that it will be 38 years __________       we can experience such a coincidence again.