1 . So I would love to see the lack of award recognition for Asian actors be a thing of the past, ________ there was a norm(社会准则)that you couldn’t see faces like ours up there being nominated and being given equal opportunity to play those roles. （用适当的词填空）

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 . October is a great time to visit Inner Mongolia Autonomous Region, ________travelers can go to the quiet Ejina to enjoy the wonderful scenery of Euphratica forest(胡杨林).

A．then

B．where

C．when

D．there

5 . 春暖花开的四月是欣赏这个南方小镇美景的最佳时机。（when) （汉译英）

6 . It is now a children’s festival, ________ they can dress up and go to their neighbours’ homes to ask for sweets. (用适当的词填空)

7 . 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

8 . A series of unforgettable events happened in 2020,________the lives of many people were changed.

A．which

B．as

C．where

D．when

9 . In their country, August 31st is a national holiday, ________ everybody dances in the streets.

A．which

B．as

C．when

D．Because

10 . In the United States, April 26 is often celebrated as National Pretzel Day, ________ people celebrate the rich history of pretzels (蝴蝶饼). (用适当的词填空)