Can you believe that in _____ a rich country there should be _____ many poor people?

My uncle lost his ID card yesterday. ______, a boy found it and gave it back to him last night. 

Under criminal law, people who      carry and use large numbers of fake banknotes will be sentenced to less than three years in prison.

The plane got back to the airport and landed＿＿＿＿at last. 

—Could you tell Lily the meeting place?—Sure, I will __________ when I see her.