1) If you s________ something bad, you are in a situation where something painful happens to you.
2) She looks young, but she's __________ (实际上) 50 years old.
3) Luckily, nobody was killed in the accident and the i________ has been taken to a hospital.
4) The car was a _________ (便宜货) at that price.
5) He gave the children some chocolate to r________ them for behaving well.
6) The headmaster gave the _________（信号） to begin.
7) One cannot s_________ unless he tries hard.
8) She closed her eyes and ____________ (装作) to be asleep.
9）His order is really c__________ and I don’t know exactly what to do next.
10) She accepted his _____________(邀请) to join him for lunch.