With their patience and efforts, Chris and Tim successfully developed a ____ of artificial breeding (人工繁殖）and natural reproduction.
A.collection B.combination C.system D.strategy
The oil giant has confirmed it is planning to list on the stock exchange, in _______ could be the world's biggest initial public offering.
A.that B.which C.what D.how
It _______ be freezing cold sometimes in spring in the south. It's called cold in the late spring.
A.shall B.will C.may D.can
Li Ziqi, the Chinese internet celebrity, is famous for her videos ________she performs the work of a farmer with the grace of a fairy.
A.which B.where C.that D.when
Nadia, a four-year-old female Malayan Tiger at the Bronx Zoo tested _______for the novel coronavirus infection. It's the first known case of human-to-animal transmission in America.
A.positive B.poisonous C.negative D.neutral
假设你是红星中学高三学生李华。请根据以下四幅图的先后顺序，以“Concert at the Balcony” 为题，用英语写一篇短文向校刊“英语园地”投稿，记述上周末发生在你们小区的一个真实故事。
注意：词数不少于60。
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