----The best ______ to come to Yichang is spring.
----I think so. The green water and green mountains are unforgettable
A. environment B. journey C. temperature D. season
---Believe it or not, a pig from South Africa started painting several months ago.
---Anything is ______.
A. lively B. possible C. valuable D. personal
----How are you getting on with your cousin?
-----Very well. He is really _______ and joins in all kinds of activities in his spare time.
A. polite B. strict C. active D. careful
------A research suggests that walking helps people live longer.
----- I quite agree, but it_______ on when and how they walk.
A. remains B. separates C. returns D. depends
-----In the past five years, China has played an important role in the Belt and Road.
-----It has__________ many nations a great chance to communicate.
A. offered B. supported C. included D. directed
----It is reported that a kind of new smart phones can test the air quality(质量)around you.
---__________fast the technology develops!
A. What B. What a C. How D. How a
