He ________ some safety measures at the meeting for the 2010 Shanghai Expo.[ ]

What do you think of teaching, Bob?–I find it fun and challenging. It is a job ___ you are doing something serious but interesting.

. Not only ___ given to people to find jobs, but also medical treatment will be provided for people who need it.

Many memories of old times were bythe conversation we had together that evening.

Don’t worry. My mother will look after your baby . —–Thanks a lot.