Kangkang spent two hours ________ his bedroom last Sunday.
A．clean B．cleaning C．to clean
相关试题
--- How often does Daniel exercise?
--- ___________.
| A．3-6 times | B．Every week |
| C．For a week | D．two or three hours |
Doctors say we need more fruit and vegetables to be ________ because _______ is very important.
| A．healthy; health | B．healthy; healthy |
| C．health; health | D．health; healthy |
--- __________your twin sister’s name Sandy?
--- Yes, _______ is.
| A．Are; she | B．Are; it |
| C．Is; she | D．Is; it |
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