These old pictures bring to their mind the college days ________ they spent together, ________ life was hard but happy.
________ matters most in learning English is enough practice.
When he woke up, he found ________lying by the sea.
The chairman thought ________ necessary to invite Professor Smith to speak at the meeting.
. What ________beautiful day it is! Why not go out for _______picnic?
. They got married in 2001 and three years later they ________ their child.