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

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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:
Grammar › ViewI went, but he ___.
a. don’t
b. doesn’t
c. didn’t
Simple Present vs Present Progresive › View
What ______ your family usually ________ on weekends?
A. is, doing
B. does, do
C. do, does
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
