For large producers, _______ they lost some pigs to the disease, prices are so high now that they are still earning much more than before.
A.in that B.in case C.even if D.as if
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