－Who called your sister just now －I don’t know, but it was a girl’s_______.

I think the plan is just a waste of time. What do you think— Well, if you don’t support the plan, ________.

I won’t go to the concert because I________ my ticket.

The first African-American president of the United States received a（n） _____ welcome in the African countries, where he was received as a returning son．

There is little water left in the bottle, ______— No, we need to buy some more before we run out ofit.