I need one more stamp before my collection ______.
Having received___________ training of the MS. Company, he was offered important position in management.
I don't remember___________ to the airport that year.
A man does not know the difficulty of anything_________ he does it personally.
There is a _________ of 1000 dollars for the return
Isn't it very kind __________ your parents to do that for us? A. for B to C. about D. of