The scientist, __________ my father works, is about 50.

Everyone present at the party thought his jokes were _____, so none of them laughed

thday ________next week, I’m busy preparing fora big birthday party, planning to invite all my best friends.

Linda, is there anything else you want to know about China—Yes, I am still wondering _____________.

Tony , don’t draw on the wall, it isn’t good behavior.—_____ .