This city is a dull place to live in.— How surprising that you ________ think so! I love it very much. [ ]

What did you hear last night?-I seemed_________ someone knock at the door. [ ]

Countries in Southeast Asia have ________ become familiar with Chinese brands, but there is still a long way to go.

_______is known to all ,the Diaoyu Islandshave been part of Chinese territory since ancient times.

Your city looks beautiful!—Yes. Lots of trees and grass ______ last year.