— Is Jack on duty today? — It ________ be him. It's his turn tomorrow.
He really succeeded and he___his success to his hard work.
The______newspaper readers wouldn’t like long articles on serious subjects every day.
____his surprise, the soup he likes is not__his taste at all this time.
Tens of thousands of people had ___outside the US embassy.
Can you give us an example to _____the meaning of the word?