g earthquake struck, andthe island was immediately from the world

Before a problem can be solved, it must be obvious ________ the problem itself is.[ ]

What will happen if a driver gets annoyed in a traffic jam—Many drivers are _____ and they will push into other lanes of traffic or pass other cars.

Why do you look worried?—Fred left the company half an hour agoHis work ________ unfinished since

How many times you to the Great Wall— Once. I there three years ago.