________ going to a language school, Andrew also went to the library almost every day and learned about 20 Chinese characters a day.
______ the room, the nurse found the tape-recorder ______ .
The women kept her eyes _____ on her baby for quite some time.
____ is known to all, China will be an _____ and powerful country in 20 or 30 years’ time.
You can’t take the lift because it is _______.
After cooking, Mother ___________ making tea.