The CDs are on sale!Buy one and you get ______ completely free.
January 8th saw events taking place in the US city of Memphis to mark______ would have been Elvis Presley’s 75th birthday.
______ a time in the 1960s when young people liked wearing army uniforms.
I wrote some notes about the meeting _____ it was reasonably fresh in my mind.
What a pity! The car ran out sight before I could _______ its number.
--- Recently many people have no intention of buying a house. --- I think the reason may be ______ the house price is too high.