Yesterday I did my revision of Eng. vocab. by making sentences.
Let me share some with you.

Undoubtedly (adv.)
My brother always does something foolish.
It's undoubtedly the he is a clown, who usually brings hapiness to us.

Challenge (v.) (n.)
My friend's intelligence challenges (v.) me to compete with her. I don't want to be a loser.
( Can you guess who she is? )
It's a challenge (n.) for me to stop touching my face even there are pimples.
( Windy, do you? )

Eventually (adv.)
I compete against Johnson of getting Mr.Sheep's favour and I know I will win eventually ;P.

Grumble (v.) (n.)
When Miss Ip said she would give us quite a no. of homework, we grumbled (v.).

Insect bites (n. phr. MAYBE X)
If I get anymore insect bites, I will cry! :'(     [ I am serious! ]

Mystery (n.)
'Why do you so love each other?' { When can I be asked this question? :(
''It's a mystery. It just like a destiny.'' { When can I answer in this way? :(

Vanish (v.)
He vanished when there was an UFO appeared in the sky. 0.0

I hope you like them. :)