[ Continuous Tense ]
What … when you arrived?
A. are they doing
B. were they doing
C. was they doing
D. do they do

Random Topics:
Adverbial Clause / If / ComparativesParts of SpeechVocab and GrammarAdjectives and ArticlesWill and Will notIrregular Plural NounsGrammar / PronounsQuantifiers & Modal VerbsActive & PassiveElectricity VocabularyOther quiz:
Phrasal Verb › ViewThe signal got ______________ in the middle of our phone conversation and now I can’t contact him.
A. blown off
B. called off
C. cut off
D. put off
Grammar › View
If you …… a lot of sweets, you …… bad teeth.
A. ‘ll eat, have
B. ‘ll eat, ‘ll have
C. Eat, ‘ll have