28. Not much is it known about the details of the development and acquisition of primate communication, especially in the wild.
答案给的是A,请给解释一下
我觉得D有问题啊,是否应为 in the wilderness
19. There is ample evidence of that about 700 million years ago, glaciers reached well into what are now tropical regions.
这道题 A (of that )错了,应该给为什么呢? 改为that,作为 evidence 的同位语 可以吗?
39, The Northern Hemisphere faces the Sun most fully during the summer solstice which occurs in about June 22,
这道题 D( in) 错了,是否应给改为 on
3. New York City. -------"Big Apple” is the largest city in the United States and has been the gateway location for repeated waves of Immigrants.
(A) is the
(B) which the
(C) calling the
(D) me
这道题目 D 是不是笔误错了,应给为the