－How can we get to the airport? It’s too far and too expensive to take a taxi.－Don’t worry. There is a ________bus service to the airport.

On the celebration of the university’s 100th birthday, he said, “I have never experienced __________ time here as a graduate of Tsinghua University.”

The long speech given by that old professor seemed _____ and endless. He felt so _____ that he nearly fell asleep.

Five passengers were _____ in the traffic accident and they have all been  taken to the nearest hospital.

Bamboo, which is a common plant in the south, is used ______ in buildings, food, furniture and so on. It is used to make clothes as well.