_____some English-learning websitesif you are free, and you will learn a lot about how to study English.

, I’m sorry. I can’t come to the wedding with you tomorrow morning.– ________ –My grandma was severely ill, so I have to stay in the hospital to look afterher.

People all over the world are kept _______ of what is happening at once by means of the Internet

ian Prime Minister announced on Monday that the missing Malaysia Airlines MH370 ended in the Southern Indian Ocean, but many said it lacked _____ evidence.

The man couldn’t _____the fact that the lost watch was found in his house.