1 . I have come from Mr. Wang with a message ______ he was invited to attend the WISA 2023 held in Chengdu.

A．that

B．which

C．what

D．when

2 . During the rare occasions ______ my parents and I disagreed, we normally found a middle ground.

A．that

B．which

C．where

D．when

3 . Engaging in sports offers a sense of accomplishment especially ______ new skills are mastered or personal bests are achieved.

A．while

B．whether

C．why

D．when

4 . Decorations like the Chinese knots, ______ origins are deeply rooted in tradition, are often used as symbols of good fortune and well wishes.

A．whose

B．that

C．which

D．whether

5 . Life is filled with ups and downs. What matters most is ______ we respond to them.

A．why

B．what

C．how

D．which

6 . The non-profit organization is named after the researchers, ________ work has attracted public attention to environmental protection.

A．whose

B．who

C．which

D．when

7 . What is most extraordinary about the complex structures of Maya civilization is________ they were built without the use of wheels, metal tools or even animal power.

A．why

B．how

C．where

D．when

8 . With my father’s guidance and encouragement, I learned how to ride a bike ________ I knew it.

A．when

B．until

C．as

D．before

9 . It is the way ________ you apply your body language to your address that greatly determines whether the listeners are engaged and convinced.

A．how

B．that

C．which

D．where

10 . Chinese EV-makers are investing in new features to connect their EVs (Electric vehicles) to phones and home appliances in ______ is being called a “Human x Car x Home” ecosystem.

A．that

B．where

C．when

D．what