The little girl was very ________ at first, but she calmed down later.

I was doing my homework _______ my mother was doingsome sewing.

How did you manage to get to the school on time _________you missed the school bus

More and more people choose to shop in thesupermarket，forthey are especially interested in the ________ of goods on offer.

I’ve tried very hard to improve my English. But by no means _______with my progress.