We find ___difficult to finish the work on time. We only have two days left.

Please __________why you’re solate," said his girlfriend.

The cousins are alike in age, but _____ they are as different as day and night

“One blue represents the economy growing. The other blue is the blue sky. That means we have to ______ development and environmental protection,” Wang Zhongbing said.

Mo Yan was famous ____ a writer.