It was in the factory _______ his friend worked _______ he picked up a lot of experience.

Carol is getting old and he can’t jump as_______ as he did..

Chinese scientists did a lot in improving people’s health and it gained nationwide recognition and their work ______ praising.

Do you often help your brother with his English—No. He learns English by ________.

What ______ the noise, Bill—Sorry, I broke my glass.