说下理由句型转换：To look up the words in a dictionaryis helpful for

We use the dictionary to look up new words 同义句转换 Is it helpful to write English words in the morning? look up in the dictionary for new words这种说法对吗? 句型转换。 1. The tourists are going to stay in Beijing for a wee ——how to read the new words, I often look them up in the dic if you don’t know the words,you need to look them up in【 】 括 LooK UP the following words in a dictionary .write out the e please look up the words in the two ______. 5.选择填空.1.You can look up the new words in a_________.A.noteb of you has a dictionary,so you can look up the new words in Do you often look up words in a d___? Look up new words in a dictionary啥意思?