----Ifyoudon’tknowwhatthenewwordsmean,

問題詳情：

---- If you don’t know what the new words mean , ________- in a dictionary .

         A．look them up             B．look them down

         C．look them after          D. look them over

【回答】

A

知識點：動詞和動詞短語

題型：選擇題