When you are home,give a call to let me know you safely. A are arriving B have arrived C had arrived D will arrive
He asked a lot of questions, none of ______ was easy to answer.
6. He had thousands of students, many of ______ gained great success in their own field.
I met the fruit-pickers, several of _______ were still university students.
Her sons, both of ______ work abroad, will come back home this summer.
George, with _______ I played tennis on Sundays, was a warm-hearted person.