Question

【題目】My skating teacher was really great and ______ I knew it, I was able to skate!

A.beforeB.since

C.untilD.after

Answer 1

【答案】A

【解析】

考查連詞辨析。句意：我的滑冰老師真的很棒，在我知道這一點之前，我已經(jīng)會滑冰了。A. before在……之前；B. since自從；C. until直到；D. after在……之后。根據(jù)“I knew it, I was able to skate!”可知此處表示“在……之前”，故A項正確。