16. It is no doubt a fact that _____ form of energy.
(A) electricity is the most useful
(B) electricity the most useful
(C) the most useful in electricity
(D) electricity being the most useful
詳解 (共 1 筆)
未解鎖
that後面接子句要有動詞,只有A選項合...
私人筆記 (共 1 筆)
未解鎖
這句話的意思是:「毫無疑問,電力是最有...