We are working under the command of the manager that no _______ be spared to make the party a success.

It struck me like a blow when I saw his ___________ on the legal document which sold our house to another family.

—Paul has gone abroad to try his luck.—In my _______, his decision is not wise.

You’d better write down the phone number of that restaurant for future __________.

--- How can I use iPhone 4S ?--- Just refer to the _______.