You must ______ your papers before you hand them in.

She had golden hair when she was a child, but_________ she got older and older; her hair went darker and darker

— Why are you so busy, Mike? — I ____ a novel these days. [ ]

My parents want me to get further study to be ________ an engineer _______ a scientist, ________ I would like to be a famous surgeon doctor.

Is there a No. 2 bus stop near here—Yes, there is. __________ at the second crossing,and you will find it.