[ Prepositions ]
Susan has two ________.
A. Sister-in-laws
B. Sisters-in-law
C. Sisters-in-laws

Random Topics:
Verb Moods and Vague PronounsModal PossibilitiesPresent Simple and Continuous TenseGrammar: Have toObject PronounAdverbs and Time ExpressionsShould and Shouldn'tNoun and PronounCountable QuantifiersPresent simple or Past simpleOther quiz:
Adverb of Time › ViewIdentify the adverb of time:
Breakfast will be ready soon.
A. will
B. be
C. soon
Simple Future Tense › View
They __________ (not) be in London next week.
A. will
B. will not
C. not will
D. not
Vocabulary › ViewWhat word describes something that is “changing frequently”?
A. Enterprise
B. Essential
C. Fluctuating
D. Function
Present and Past Tenses › View
It started to snow while we … to school.
A. had walked
B. have walked
C. have been walking
D. were walking
