[ Tenses ]
They ______ the washing machine when I returned home.
A. were repairing
B. repair
C. would repair
D. have repaired

Random Topics:
Gerunds & Infinitives + VocabularyGrammar and Passive VoiceQuestion Tags in Verb TensesQuestion tag and + - AgreementArticlesCommasCorrelative ConjunctionConditional ClauseZero & First ContidionalWord FormationOther quiz:
Grammar and Vocabulary › ViewHa Long Bay has been considered as a world __________.
A. scene
B. landscape
C. sightseeing
D. heritage
Prepositions after Verbs and Adjective › View
He is accustomed _____ his professor.
A. with
B. at
C. to
D. about
Grammar › ViewThe restaurant was so busy that _____ able to get a table.
A. we weren’t
B. we didn’t
C. we haven’t
D. we hadn’t
Question Tags › View
You have never liked grapefruit juice, ___
A. have you?
B. haven’t you?
