InKenya’svastTsavoNationalPark,breedingherdsofelephants...
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问题详情:
In Kenya’s vast Tsavo National Park, breeding herds of elephants are a common sight, the new babies hurrying to_______ their mothers.
A. keep track of B. keep up with
C. keep in touch with D. keep away from
【回答】
B
知识点:词组 短语
题型:选择题