Ifyoudon’tknowhow

問題詳情：

If you don’t know how ______ new words, _____  in the dictionary.         A. to spell; look it up      B. spelling; look them up         C. to spell; look them up    D. spelling; look it up

【回答】

C

知識點：相似 相近詞比較

題型：選擇題