30.As he has been in a terrible state of mind these days, on no account ________ achieve success in the coming English speech competition.
The ________ expression on her face suggested she was_________ when he heard the news.
It is reported that ________ European chemist called Felix Hoffmann first produced ASA which completely changed ________ man’s understanding of aspirin.
Will these vegetables _________ for four to five days in the fridge?
The audiences’ reaction made it ________ that this play was a great success.
More and more fast-food restaurants have ________ all over the town in the last few years.