Could I hang out with my friends—___. You have to prepare for your math test.

Having retired from work, he is with the welfare(福利) of the disabled.

It was great joy ________ he received the news that his lost daughter had been found

n’sPrince William and Kate Middleton will marry next year in Westminster Abbey,_______ Princess Diana’s funeral was held.

The problem ___ we should put off the sports meet ___ at the meeting yesterday.