Some Chinese students find it difficult to understand native speakers when in London.—Exactly, ______ they’ve learned a lot about grammar and known many words

I don’t know her name. He doesn’tknow, .

The discussion will go on until all the membersreach the point ______they all agree on that issue.

Only by imagining and creating ____the problem.

If we can’t put our hands ________ some food and water, we shall have nothing to eat