The boy felt quite happy because he was closernow to ______ an answer of his own

Eric, thank you_______ your help_______ my English.

The aged prime minister said to the soldiers ______ in the rescue scene,”it is the people who feed you; now you should know what to do”

The city, __________ by mountains and lakes, is so beautiful that they have decided to stay there for another two days. [ ]

After the long journey, the three of them went back home, ___.