Ⅰ.用所给单词或短语的适当形式填空
dream, invite, afford, think about, need to
1．Jack is not rich enough ____________ a new car.
2．Have you ever ____________ the trip to Taiwan?
3．You ____________ worry about him. He has grown up.
4．I've always ____________ about flying to Paris to watch the fashion show.
5．My best friends have ____________ me to their evening party.
