[ Grammar ]
I usually ______ my homework at home, but today I ______ them at the library.
A. have been doing – did
B. am doing – do
C. do – am doing

Random Topics:
Present Perfect TenseUncountable NounsComparative and Superlative AdjectivesPresent Simple and Present Continuous TenseToeic VerbAdverbs by TypeActive & PassiveCOUNT - NONCOUNT NOUNSPresent and Past TensesPast, Present, FutureOther quiz:
Vocabulary › ViewMien:
A. a short club used as a weapon
B. something wonderful or marvelous; an unusual feat
C. air, manner; appearance; expression
D. charming, tending to soften unfriendliness
Grammar › View
My mother taught me this formula yesterday, But I … understand it. I couldn’t make it.
A. Was not confusing
B. Was confusing
C. Am confusing
D. Have confused
Articles › ViewFill in the blank: ‘Can you pass me ___ salt, please?’
A. that
B. any
C. some
D. the
Grammar: Syntax › View
Usually structured as two or more adverbs e.g. quite smoothly
A. modified noun phrase
B. noun phrase
C. adverbial phrase
D. adjective phrase
