George couldn’t remember when he first met Mr. Anderson, but he was sure it was __________ Sunday because everybody was at __________ church. 

. The order _____the general gave was _____we must break through the enemy’s defence .

The ______ on his face suggested that he was a little nervous .

To understand the grammar of the sentence，you must break it______ into parts． 

—______? —Yeah, it seemed a little confusing to me at first, but now I get it.