Mum, I was wondering if you could lend me a few dollars until I ______ on Friday.

He doesn’t lack ______ to learn. You don’t have to tell or force him to do this or that. 

Because of H7N9 bird flu, all the chicken markets in Shanghai have been closed and won't open until further ________.

(2013·江西十所重点中学第一次联考)What's your opinion of Mr Li's request that we ________ spend half an hour reading English aloud every morning?

(2014·湖北重点中学联考)In order to protect the environment，people are greatly encouraged to travel by public________.