[ Tenses - Pasive Voice ]
We should clean our teeth twice a day.
Our teeth ……………….
A. should be cleaned
B. shouldn’t be cleaned
C. should be clean
D. should cleaned

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Homophone & HomonymPhrasesSimple Present - WH QuestionsNumbersFuture - will / going to / present continuousPreposition and Preposition PhraseCompliment, Congratulation, and HopeAdverbs of DegreeGrammar - Future ActionVerb to beOther quiz:
Grammar › ViewI think it would be very helpful if I ______ you my own case.
A. tell
B. told
Vocabulary & Grammar › View
The language that you first learn to speak when you are a child is …
A. first language
B. official language
C. second language
D. foreign language
Simple Past Tense › ViewSimple Past Tense – choke
A. choked
B. choken
C. chokening
D. chokes
Grammar › View
Gina: Will you help me carry some things to my car? Sam: Yes, I will.
A. True
B. False
