小题1:My grandmother is already in her _________ (ninety), but she still does exercise as much as possible every day.
小题2:---How is your business going? --- Oh, it couldn’t be _________ (bad).
小题3:No one bought a present for the twins, so they made ___________ (they) a model plane.
小题4:The famous singer’s ____________(arrive) made the fans rather excited.