[ Grammar ]
We _________ our room every day.
A. aren’t cleaned
B. don’t clean
C. aren’t cleaning
D. is writing

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Countable & Uncountable NounsGerund after Prepositions and Certain VerbsConjunctions and PrepositionsAdverbs and PhrasesSynonymsPreposition after some VerbsPrepositions of Time, Place, and MovementKnee AnatomyConstrative ConjunctionSentence Structure and Verb TensesOther quiz:
Some vs. Any › View“Which CD do you want to put on?” “Oh, … . I just want to hear some music!”
a. some
b. any
Prepositions › View
We’re really looking forward _______ seeing you again.
A. to
B. in
C. with
D. for
Grammar › ViewIn fifty year’s time, people ____ back in time machines.
A. travel
B. will have been travelling
C. will be travelling
D. are travelling
Prepositions › View
I am so worried about James, _____ you hear any news, phone me.
A. while
B. until
C. as soon as
D. before
