There is no doubt that climate all over the world ______ greatly in recent years.
A. had changed B. is changing
C. changed D. has been changing
As is expected, AI is an area _______ China may appear as a leading force.
A. that B. where
C. which D. when
Once he makes up his mind to do something, seldom ______ give it up.
A. he will B. does he
C. would he D. will he
It was when she first arrived in China _____ she developed a passion for paper-cutting.
A. where B. that
C. how D. why
The famous book Frankenstein, ________ by British novelist Mary Shelley, is the first work of science fiction.
A. writing B. having written
C. written D. was written
______ is important in study is diligence rather than intelligence.
A. Which B. What
C. Who D. When
