[ Mixed General Quiz ]
a) Where are my keys? I can’t find them.
b) Oh sorry honey. My mom _________________ taken them. Here use mine.
———-
A. couldn’t have
B. must have

Random Topics:
Quantifiers, Countable and Uncountable NounsPast Tense & Past Continuous TensePersonificationGerunds + To InfinitivePassive of Modal VerbsPast Simple and Past Continuous TensesConditionals and Modals of ProbabilityTime Clauses of FutureMain Idea and Sentence StructureArticles & Compound NounsOther quiz:
Modal Verb › ViewYou _________ have bothered coming. I’ve done it already.
A. wouldn’t
B. mightn’t
C. needn’t
D. haven’ t
Grammar › View
What is the basic unit of meaning in the English language?
A. sentence
B. subject
C. predicate
D. fragment
Present Perfect Tense › ViewHe … (not eat) any food since yesterday.
A. hasn’t eaten
B. haven’t eaten
C. has eat
D. have eat
TOEIC Tenses, Verbs › View
It appears certain that the computer was damaged when it ___ .
A. was delivered
B. has delivered
C. was delivering
D. had delivered
