It is said that his missing paintings were ______the possession of Russicans and they were valued____500,000$

Mom used only half of the money, the rest of which ______ saved for other purposes.

Are you free after school?-Sorry.I’ve planned to treat a friend of mine to dinner __________ for his help.[ ]

Jack had sent some e-mails, he _______ workingon his project.

–I called you yesterday evening, but there was no answer.– Oh, I am sorry I dinner at my friend’s home.