His efforts to raise money for his program were _______ because no one showed any intention to take a cent out of their pockets

ou sing and dance at this late hour of thenight-Sorry, I will stop right now.

Then ____ a foreign delegation would cometo our school.

Pony Ma, the Chairman of Tencent Company, has made much money ________ the Internet.

Have you found your lost mobilephone—No, I haven’t. But I bought ________yesterday.