With more than 17000 islands, _____ only 6000 are inhabited, Indonesia is the world’s largest archipelago （岛国）

The American warships(军舰) have appeared near South China Sea Islands again.—We must let the Americans know clearly that the islands ______ China.

______ do you like the song “trouble is friend”— Wonderful. It’s worth ________.

I thought we’d be late for the concert, ______ we ended up getting there ahead of time.

Andy made a big bamboo box the little sick bird until it could fly again.