用所给单词的适当形式填空。

1. You can’t get out of your seat during the ____­­­__ (fly), because it’s dangerous.

2. When that plane took off, this one has already landed in the airport_______ (safe).

3. I’m going to the _______ (barber) to get my hair cut.

4. This film is very ________ (surprise) and I’m __________ (surprise) at it.