When the fire broke out in the laboratory, Mr. Galway, having been a fireman at one time, knew _____.
Ahow exactly to do
Bexactly to do what
Chow to do exactly
Dexactly what to do正確答案
答案與詳解
為什麼答案是 D
exactly what to do 符合 know 後接疑問詞加不定詞的結構，表示確切知道該做什麼。
載入中…
