摘要： It is not yet well understood has made the rainforest disappear year by year. A. what B. which C. that D. how
网址：http://m.1010jiajiao.com/timu_id_1675563[举报]
It is not yet well understood _______ has made the rainforest disappear year by year.
A. what B. which C. that D. how
It is not yet well understood _______ has made the rainforest disappear year by year.
A. what B. which C. that D. how
It is not yet well understood ________ has made the rainforest disappear year by year．
- A.what
- B.which
- C.that
- D.how