Many social workers went to Jiuzhaigou to help______ clean water and food to local people to reduce their pain from the earthquake.

Have you been to the National Theatre? —No, but I’ve bought two tickets for the concert to be given this weekend

I guarantee you __________ be rewarded for any useful clues to the missing document of the local Health Department.

What we all know is that new technology is being________to almost every industrial process.

Jim was listening to music _______his sister was playing with a toy.