問題詳情
20. Rainforests are home to many plants and animals. If the rainforests disappear, many of these species ______ on earth.
(A) are extinct
(B) were extinct
(C) have been extinct
(D) will be extinct
參考答案
答案：D
難度：簡單0.75
統計：A(2),B(4),C(7),D(39),E(0)
用户評論
【用戶】神山日光Ninko
【年級】研一上
【評論內容】(A) are extinct 滅絕(敘述)(B) were extinct 滅絕了(C) have been extinct 已滅絕(D) will be extinct 將滅絕