Select the most appropriate option to fill in the blank.

Raja ______ the house before Hari got there.

had left

The correct option to fill in the blank is had left.

The sentence is in the past perfect tense, which is used to talk about an action that happened before another action in the past. In this case, Raja left the house before Hari got there.

The other options are incorrect.

• Left is the simple past tense of the verb "leave". It is used to talk about an action that happened in the past, but not necessarily before another action. For example, "Raja left the house."
• Will leave is the future tense of the verb "leave". It is used to talk about an action that will happen in the future. For example, "Raja will leave the house tomorrow."
• Leaves is the present tense of the verb "leave". It is used to talk about an action that happens regularly. For example, "Raja leaves for work every morning."