根据句子意思，用括号中所给词的正确形式填空，每空填一词。
1. English dictionaries are very ______ (use) to you when you study English.
2. Could you pass the ______ (knife) to me? We need them to make pumpkin lanterns.
3. Don't be ______ (patient)! You should listen to what he is saying first.
4. Four ______ (five) of the students in our class have heard about the trip.
5. The guide has collected all the ______ (visit) ID cards.