Was it in the train “Harmony”, which is China’s first highspeed one, ________ John met with hisforeign friend?[ ]

Will you give this message to Mr White, please? — Sorry, I can’t He ____ [ ]

It was not until dark he found that it was the correct way to solve the problem.

Have you finished your homework yet– No, not yet. I think it’ll take me __________ half an hour.

. Her health underthe pressure of work and she had to stay in hospital for a month.