Due to the widespread ______ of this medical technology, more diseases can be discovered and treated at an early stage.

I will look into the matter as soon as possible. Just have a little___________.

—How about your travel? —You can hardly imagine what difficulty we have had ___________ the vast desert.

The bush fire ________ fierce heat and the villagers nearby had to flee.

In my opinion, what he told us about the affair simply doesn’t make any       .