题目内容：

用所给词的适当形式填空，每空不限一词。

1.Many teenagers used to keep worries to ________ (they). But now they are used to having communication with teachers and parents.

2.Don’t be so impatient. We must think ________ (two) before making a decision.

3.---Lucy, we’ll leave in 15 minutes. Are you ready?

  ---No, I __________ (not pack) our maps and umbrellas.

4.I hope everyone in my class can pass the entrance exams ___________ (success) next month.

5.---When will we go to watch the film Captain America: Civil War《美国队长3》?

  ---Not until the work ___________(finish) tomorrow.