Choose the best option to complete the sentence.
The windows of the old house were covered with ____.
a- Grim
b- Grit
c- Ground
d- Grime

Hint: The windows of the old house were covered with dust. We can use ‘grime’ to complete the sentence. ‘Grime’ refers to the dust and smut entrenched on the surface of different materials.

Complete answer:
The word, ‘grime’ has been derived from the Middle Low Dutch language.
We know the meaning and the origin of the word, ‘grime’. Now, let’s look at its usage:
For example- The windows of my car are thick with grime. Here, we can comprehend that the windows of X’s car were completely covered with dust and dirt.
Let’s examine the meaning of the given options-
Option a- ‘Grim’ refers to being aloof or harsh. Example- He always speaks with a grim expression. ‘Grim’ is different in meaning to the given context. Hence, it is an incorrect option.
Option b- ‘Grit’ refers to gravel or pebbles. Example- As the wind blew, a bit of grit entered my eye. ‘Grit’ is different in meaning to the given context. Hence, it is an incorrect option.
Option c- ‘Ground’ refers to the earth or the flooring of the earth. Example- He fell on the ground. ‘Ground’ is different in meaning to the given context. Hence, it is an incorrect option.
Option d- ‘Grime’ refers to the filth and dust established on a surface. ‘Grime’ is similar in meaning to the given context. Hence, it is the correct option.
So, the correct answer is “Option d”.

Note:
Carefully understand the context of the sentence before selecting the correct answer. Some other words that can be used in the place of ‘grime’ are; dust, dirt, filth, smut, soot, etc.