you meet me at the airport–I’d like to, but I’m afraid I_________ avery important meeting when you return

Uncle Tetsu（彻思叔叔）cheese cakes sell well____they are so nice.

I waited for my friend for a long time at the bus station，but she didn’t________at last．

_____ books you have borrowed from the library should be returned in two weeks’ time.

______ helped the poor catfind its home— My best friend, Mary.