Poetry written from the ______ of the urban youth tends to reveal their anxiety over a lack of sense of belonging.
20.It was four o'clock in the afternoon_____he and his grandpa reached the museum in Guanghan, _____an official warmly received them.
19.-The book by Tony Garrison is of great use to our course.-But I think this one is_______worth reading.
18.In this experiment, they are woken up several times during the night, and asked to report what they _______.
17.-I didn't pass the English exam.-Work hard, _______you'll succeed.
16.In no place of China_______little about the economic development nowadays.