[ Grammar ]
________________ the mystery in 1990?
A. Did they solve
B. Were they solving

Random Topics:
Verb Tenses and Subject Verb AgreementConjunctions and PronounsDefinite ArticlesTime ConjunctionsRelative Pronouns and AdverbsModals and PhrasesRelative Clauses and etcMain Idea and Sentence StructurePunctuating ClausesPresent Simple and Continuous TenseOther quiz:
Vocabulary and Grammar › ViewMukai Chiaki, the first female Japanese astronaut, ……….. 15 days aboard the space shuttle Columbia in space before it …….. to the Earth on July 23,1994.
A. spent – had returned
B. had spent – returned
C. was spending – was returning
D. spent – was returning
Phrasal Verb › View
Our teacher gets really _________ when we don’t do homework.
A. nervous
B. worse
C. better
D. angry
Grammar › ViewBad driving __________ many accidents.
A. cause
B. causes
Modal Verbs › View
I would like to ________ play the the guitar.
A. can
B. could
C. be able to
D. being able to
