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.