work with a strong will, we can overcome anydifficulty, _____great it is

Why are your eyes so red? You _______ have slept well last night.—Yeah, I stayed up late writing a report.

reported that indoor golf, relatively new, is starting to _______ traditional markets, especially in urban areas in the USA and Europe.

She _____me only twice since last year. [ ]

So far Peter _____back. Shall we make a phone call to him again? [ ]