China has (rapid) become a world leader in high speed rail.Journeys that took days now take hours.
I have already asked him (two)but he hasn't given me any reply.
There are about 6,000 languages that are spoken around the world, but 43% of them are dying out. If no is taken, some of these languages will disappear. (act)
Scientists around the world are working to a medicine for AIDS(艾滋病). ( cover)
As we know, Huawei technology has been developing (rapid).
Now more and more people like the in the countryside. (silent)
Mary doesn't (real) care if her friends are the same or different.
Mattew Chimudzi wants to study Chinese so that he can have a good
(communicate) with people in China one day.
试题篮
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