[ Tenses ]
He met a lot of friendly people while he … in Bali
A. Was worked
B. Worked
C. Was working
D. Were working

Random Topics:
Future Tense - will and going toDegrees of ComparisonGerunds and InfinitivesTenses and StructureClause Markers TOEFL GrammarTenses & PrepositionPast Simple, Past Continuous, Past Perfect, Past Perfect ContinuousSubordinating and Coordinating ConjunctionsCommon Grammar Mistakes and Spelling TipsClauses and GerundsOther quiz:
Tenses › ViewLately, I ____ (spend) too much time studying and not enough time socializing. Oops!
A. spend
B. have been spending
C. am spending
Grammar › View
Madam Kwan is ________ the onions in the kitchen.
A. mining
B. planting
C. hacking
D. slicing