問題詳情
15. __________ you ever need the advice of an expert, our service staffs are available via phone andLiveChat.
(A) Would
(B) Could
(C) Should
(D) Must
參考答案
用户評論
【蕭漠】評論
表條件的副詞子句中，若有be-V或助V，可以主詞、動詞倒裝來取代連接詞。原句: If you should ever need the advice of an expert, our service staffs......倒裝: Should you ever need the advice......