Only by shouting at the top of his voice, ___.

The door opened and in_______.

If you don’t agree to our plan, __________.

For a moment nothing happened．Then _____ that the war was over．

________ really enjoyable, ____________ us a valuable lesson.

–I tried many times, but I still failed in the experiment.
--Don’t be discouraged. _______ and the problem will be settled.

He told me only when he grew up and became a father himself     how much his parents had loved him.
A had he realized   B did he realized   C he had realized    D he realized

So extraordianry __________ that it left a deep impression on visitors.

The meal didn’t cost much, _____ very good.

The little child usually felt frightened at night, so not until ___________.