oked at the memorial, I thought about ____ terrible disaster it was for thepeople in Nanjing then and ____ they were to fight the Japanese invaders.

It was wrong to cut down the old tree which dates back to 1915, _______ the reason．

Would you like another cup of coffee —__________ It tastes good.

You ______ to the meeting this afternoon ifyou have something important to do.

When and where this took place _____ still unknown