They have discussed the plan for some hours but no agreement ________.

________ two months enough for the project to be finished?—I am afraid not. The professor is ill and only after he recovers ______ go on with it.

I insisted __________ to see a doctor, but he insisted nothing __________ wrong with him.

Please remember _________water pipe when you don’t need water. —OK, I will.

How much do you know about the 3D film technology?—A little. Not until _____ the hot movie