31. A warm thought suddenly came to me _______ I might use the pocket money to buy some flowers for my mother’s birthday.
The manager along with his workers _______ day and night to complete the project.
After a short ________, I got my bag from the thief’s hand successfully.
The most important thing ______ we should consider is the first idea _____ he has mentioned in the speech.
He was so pleased with all _____ we had done for him _____ he wrote us a letter to praise us for it.
--- Is it convenient to you if I call you up at 9 o’clock tomorrow morning? --- I’m afraid not. I _________ a speech then.