Which sentence is in the imperative voice? how much homework do you have? it is important to do homework. do your homework as soon as you get home. homework should be done thoroughly.

The sentence that is in the imperative voice is the following one: Do your homework as soon as you get home.

Explanation:

An imperative sentence is a type of sentence that gives advice or instructions, and expresses a command or an order. It may end with a exclamation mark or with a period and it is usually simple and short. As you can see, the sentence above has all these features: It is short, it ends with a period and it expresses a command.  In order to form the imperative, use the infinitive of the verb without the infinitive particle to.