I _____glasses since I was in primary school and I hate them. They make me look like a bookworm.

This book is ________for a six-year-old child toread.

She devoted herself _____to her research and it earned her a good reputation in her field [ ]

His first lecture is of great use to ourdevelopment But his latest one is ______ worth attending

very kind of you to do the washing-up, but you_____ it