Quasars \_\_\_\_ emitting extremely intense radio waves and visible radiation.
Aare star-like objects正確答案
Bstar-like objects are
Cstar-like, they are objects
Dare they star-like objects
答案與詳解
為什麼答案是 A
填入後形成「主詞(Quasars) + 動詞(are) + 表語(star-like objects)」的完整結構，後接現在分詞片語(emitting...)修飾名詞 objects，語法與語意皆正確。
載入中…
