【題目】He was busy yesterday. ____________, he would have come to my party.
考查副詞詞義辨析。句意：他昨天很忙。否則，他就會來參加我的聚會了。A. Moreover此外；B. Therefore所以；C. However然而，但是；D. Otherwise否則，不然。根據謂語動詞would have come可知，使用了虛擬語氣，用otherwise表示含蓄條件句，由yesterday可知，表示與過去相反的虛擬語氣。故選D。
【題目】The man caught hold of the side of the lifeboat and narrowly escaped______.
A.to be drownedB.from drowningC.being drownedD.from being drowned
【題目】____________ by his behavior, I said all this to my best friend.
【題目】People in China are becoming more and more _________ about the air pollution.
【題目】Take the medicine three times a day. _______ your doctor if the pain continues.