Question

The window are very dirty. I ... to clean them. don't have to must mustn't have​

Answer 1

Answer:

The windows are very dirty. I must clean them.

Окна очень грязные.Я должен почистить их.

_____________

#mystery184

Answer 2

The correct answer is "I have to clean them."

When we use "have to," it means that there is an obligation or necessity to do something. In this case, the speaker is obligated or feels the need to clean the dirty windows.