题目内容
1. In area of rice-growing,Professor Yuan Longping is expert.
1. the;an in the area of在..... 的领域;expert是可数名词,而且以元音音素开头,因此用an。
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题目内容
1. In area of rice-growing,Professor Yuan Longping is expert.
1. the;an in the area of在..... 的领域;expert是可数名词,而且以元音音素开头,因此用an。