The tooth of the boy was missing.
A. The boys tooth was missing.
B. The boys’ tooth was missing.
C. The boy’s tooth was missing.

Random Topics:
Adjective ending with ED & INGPunctuationGrammar: Used to, Would, Be used to, Get used toPhrasal Verb and ModalWould rather/ would prefer/ would likeAdverbs, Prefixes, and SuffixesPresent Simple or Present ContinuousReported speech (statements)TOEFL GrammarGrammar: SyntaxOther quiz:
Past Perfect and Past Perfect Continuous Tense › ViewI was really hungry. I ……………………………………………. anything since the morning. (not eat)
A. haven’t eaten
B. hasn’t eaten
C. wasn’t eating
D. hadn’t eaten
Grammar › View
He ………….( study) English yesterday. He ……….(forget) to bring his book.
A. studied, forgot
B. studied, forget
C. studyed, forgot
D. studyed, forgotten
Tenses › ViewHe………here three hours ago.
A. is leaving
B. left
C. has left
D. have left
Tenses › View
Future Perfect Continuous Tense
How long will you have been waiting for your friend by the time they arrive?
A. I will be waiting for 20 minutes.
B. I will have been waiting for 20 minutes.
C. I will wait for 20 minutes.
D. I have been waiting for 20 minutes.