What do you think of the terrorist attack in Xinjiang—Terrible. It has changed people’s daily life ________.

We will finish the work within three days if everything goes [ ]

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

In our school students are ________according to how much they know and how old they are

Not until _____ more, _____ able to improve the situation. [ ]