Answer:
3. They may not have time to read the whole thing.
Explanation:
1: You cannot gain a general understanding by skimming a text.
2: It doesn't make sense to skim a text if you need help defining a word, because part of defining a word is looking for context clues.
4: If they are looking for specific information they would have to analyze the text instead of quickly looking over it.
Therefore 3 is the right answer. Hope this helps :)
The inevitability of death
Excited and Eager
A B and D
A man and a dog
a dog fight
broken ice
The answer is D) When
At first indicates that something happened first.
Last indicates that something is the last thing being said in a sequence.
Next shows that something comes after another.