I (know) his mother since I (be) 5 years old because she was my neighbor.
A. have known – be
B. have known – was
C. knew – was
D. knew – were

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Past TensesFuture - will / going to / present continuousGrammar and IdiomsPossesive Pronouns and Modals of AbilityCan, Could, May, MightComparison & Modal Verbs in Passive VoiceMixed GrammarVerbs and Possessive AdjectiveModals, Phrasal Verbs, Gerunds and InfinitivesPrepositions of Time & PlaceOther quiz:
Grammar › ViewNguyen Du ……………. many good works when he was alive.
A. used to write
B. gets used to writing
C. got used to write
D. used to writing
Present Simple Progressive › View
What question matches the answer:
I practice swimmimg twice a week.
_
A. When do you practice swimming?
B. Do you practice swimming?
C. Why do you practice swimmimg?
D. How often do you practice swimming?
Grammar and Vocabulary › ViewYou don’t have much to encode: there are not many customers.
A. You don’t have much to encode: there are not much customers.
B. You don’t have much to encode: there are not few customers.
Modal Verbs › View
Find a similar sentence:
My parents made it obligatory for me to stay home on weekdays.
A. I can’t stay home on weekdays.
B. I should stay home on weekdays.
C. I have to stay home on weekdays.
D. I’m able to stay home on weekdays.