Unless there \_\_\_\_ a profound and extensive reform of government policies in the near future, the economic conditions in that country will continue to deteriorate.
Ais正確答案
Bare
Chas been
Dhave been
答案與詳解
為什麼答案是 A
條件句中以簡單現在式代替未來式，且 "there be" 句型的主詞 "a profound and extensive reform" 為單數，故使用單數現在式 "is"。
載入中…
