When products made in factories _____, they are thrown away as garbage.
--- What did you mention you’d been accustomed to? ---______ to soft music before going to bed.
I’m sorry my memory has ______ , for the prices of the things have gone up.
The leaders from some of the countries suggested the nuclear weapon about Iran worth paying attention _______ at the international conference.
He will keep ________ new ideas so he can help farmers around China.
It is difficult for us to achieve success ______ we’ve actually changed the situation.