1 . The New Year’s Eve dinner for Chinese people is a very special moment, ______ they share pleasure and food with their family members and friends.

A．where

B．when

C．that

D．during that time

2 . The new tax law came into effect last May, _____ white-collar workers have benefited a lot from it.

A．when

B．through which

C．for that

D．since when

3 . On the eve of the Spring Festival, I usually stay up until midnight, ________I can set off the firecrackers and fireworks.

A．which

B．when

C．where

D．who

4 . The picture of the park called up memories of our class trip last year, ________ Mr. Smith began to take charge of our class.

A．what

B．where

C．which

D．when

5 . The painting of Apsaras reached a peak during the Tang Dynasty, ________ commercial and cultural exchange was greatly supported by the government.

A．which

B．where

C．when

D．that