English lesson

Please note;

Then
–adverb
1. at that time: Prices were lower then.
2. immediately or soon afterward: The rain stopped and then started again.
3. next in order of time: We ate, then we started home.
4. at the same time: At first the water seemed blue, then gray.
5. next in order of place: Standing beside Charlie is my uncle, then my cousin, then my brother.
6. in addition; besides; also: I love my job, and then it pays so well.
7. in that case; as a consequence; in those circumstances: If you're sick, then you should stay in bed.
8. since that is so; as it appears; therefore: You have, then, found the mistake? You are leaving tonight then.

than
–conjunction
1. (used, as after comparative adjectives and adverbs, to introduce the second member of an unequal comparison): She's taller than I am.
2. (used after some adverbs and adjectives expressing choice or diversity, such as other, otherwise, else, anywhere, or different, to introduce an alternative or denote a difference in kind, place, style, identity, etc.): I had no choice other than that. You won't find such freedom anywhere else than in this country.
3. (used to introduce the rejected choice in expressions of preference): I'd rather walk than drive there.
4. except; other than: We had no choice than to return home.
5. when: We had barely arrived than we had to leave again.

wan~der
–verb (used without object)
1. to ramble without a definite purpose or objective; roam, rove, or stray: to wander over the earth.
2. to go aimlessly, indirectly, or casually; meander: The river wanders among the rocks.
3. to extend in an irregular course or direction: Foothills wandered off to the south.
4. to move, pass, or turn idly, as the hand or the eyes.
5. (of the mind, thoughts, desires, etc.) to take one direction or another without conscious intent or control: His attention wandered as the speaker droned on.
6. to stray from a path, place, companions, etc.: During the storm the ship wandered from its course.
7. to deviate in conduct, belief, etc.; err; go astray: Let me not wander from Thy Commandments.
8. to think or speak confusedly or incoherently.

Won~der
–verb (used without object)
1. to think or speculate curiously: to wonder about the origin of the solar system.
2. to be filled with admiration, amazement, or awe; marvel (often fol. by at): He wondered at her composure in such a crisis.
3. to doubt: I wonder if she'll really get here.
–verb (used with object) 4. to speculate curiously or be curious about; be curious to know: to wonder what happened.
5. to feel wonder at: I wonder that you went.