[ Tenses ]
I _____ the house since 6am.
A. cleaned
B. have been cleaning
C. am cleaning
D. clean

Random Topics:
Simple Past ContinuosTOEIC GrammarConditionals 1,2,3Modal Verbs & Perfect InfinitiveModal and Modal PerfectUnderstanding Product Packaging and TensesAdverb ClauseElectricity VocabularyPrepotitionsModals and Adjectives (ed-ing)Other quiz:
Modal Verbs › ViewWe _______ go outside because my mom doesn’t allow us to do so.
A. must
B. should
C. shouldn’t
D. mustn’t
Grammar › View
English ______________________________________________ in many countries.
A. has spoken
B. is spoken
C. is speaking
D. had spoken
Grammar › ViewI don’t know the phone number ….. is used in case of emergencies.
A. what
B. which
C. who
Adjective › View
I was ______ after six hours on the train.
a. tiring
B. tired
