I met the fruit-pickers, several of _______ were still university students.
John said he would pay ________ second visit to China ________ next year.
---Have you brought the book I lent to you yesterday? ---Sorry, I put it on my bookshelf and _________ all about it
David is into football, and he wonders how much time it ______ to be a good footballer.
Although the city had been attacked by the storm several times, ______was done.
I’ll never forget the days___ I spent in the country with the farmers, ____, of course, has a great effect on my life.