Many kinds of animals are ______. We must do something to save them.A. on holiday B. in danger C. on show
--- It’s so cloudy. I think it. ---I think so.
---There goes the bell. ---It’s time for class. Let’s stop.
---Hello! Can I speak to the headmaster, please? --- .
---Would you like to visit Taiwan? ---.
---Shall we go for a picnic in the park this Saturday? ---Oh, thatgood.