________ seems to be a strong competition in China for senior high students to enter college or university.
—Where did you get this book?—I picked it up from a secondhand bookshop if you ________ know.
Jack is an outgoing child, usually kind and helpful, but he ________ lose temper sometimes.
________ a little earlier, you could have got a copy of his latest book.
What's your opinion of Mr Li's request that we ________ spend half an hour reading English aloud every morning?
They advocate the proposal we were opposed ________ rediscussed at the next meeting.