问题
When I have seen the film, ______ hits me how difficult it is for us to protect the Tibetan antelopes in modern society. [ ]
A: which
B: what
C: it
D: that
B: what
C: it
D: that
正确答案是：
同类题型
It takes _______ half an hour ______ on foot.
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Children shouldn’t get so much / stres / from both their parents and school.
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