A low-carbon lifestyle is of great benefit to improve_____ world environment. Nothing can be enjoyed from it until you have____ deep understanding of it, though.
He pretended to be English, but his foreign accent ________.
At this time tomorrow ________ over the Atlantic.
He had to be reminded two or three times ________ he could avoid making the same mistake.
If you come_____ second in the race, you’ll get _____qualification to compete for the next round.
—I’ll be travelling back from London so I can’t come to your party on Friday. —.Come round for a drink next week!