We had estimated the number of visitors to our school’s hundredth anniversary at about 400, but the __________ number was much higher.

He is a politician and has a delicate sense of the current affairs all over the country．

Would it be ___ for you to pick me up at four o’clock and take me to the airport? 

She prefers the sofa made of real leather although it costs more than that made of ______ leather. 

The audience were so ______ by his humorous performance that they kept laughing all the time.