Your teeth ………. (be) cleaner if you ………. (use) toothpaste.
A. are/ use
B. are/uses
C. is/use
D. ares/uses

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Vocabulary, Grammar, SpellingArticles - rulesVerbs and Possessive AdjectiveDemonstrative Pronouns and Verb TensesPrepositions - ConjunctionsWho am I?Passive Voice with ModalsModal Verb in Passive VoicePresent Continuous for FutureAction vs Linking Verbs/ Verb PhrasesOther quiz:
Grammar › ViewThey are discussing ____________ (which color, paint) the walls.
A. which color to painting
B. which color to paint
C. which color to painted
Grammar › View
“How long are you planning to study in Paris?” my roommate asked me.
A. My roommate asked me how long I was planning to study in Paris.
B. My roommate asked me how long was I planning to study in Paris.
C. My roommate asked me how long I am planning to study in Paris.
D. My roommate asked me how long am I planning to study in Paris.
Countable and Uncountable Nouns › Viewclay
A. countable
B. uncountable
Grammar › View
I ______ (phone) home ______ Christmas.
A. I have phoned home for Christmas.
B. I have phoned home since Christmas.
C. I has phoned home since Christmas.
D. I has phoned home for Christmas.
