By the time I reach the age of sixty, I hope to be healthy enough to travel ___________ .

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

I was so disappointed when failed again —Don’t be so discouragedYou’ll be successful ________

It was _____ back home after the experiment. [ ]

Catherine Ⅱ had the Amber Room moved to a palace outside St. Petersburg __________ she spent her summers.