[ Grammar ]
He was making a sandwich in the kitchen………he saw a big gecko.
A. when
B. while

Random Topics:
Subject-Verb AgreementPassive VoicesPresent Progressive TenseTypes of SentencesVerb, Object, PrepositionAdjectivesTOEFLProgressive Verb TensesFirst & Second ConditionalAdjectives and comparisonsOther quiz:
Grammar › ViewMy uncle ………. me a modern laptop last new year.
A. bought
B. was bought
C. have bought
D. to bought
Grammar › View
_____of these books have you read?
A. What
B. Whom
C. Whose
D. Which
Past Progressive Tense › ViewThe dog………………. barking.
A. were
B. was
Vocabulary › View
What is the meaning of “Perilous”?
A. Safe
B. Dangerous
C. Calm
D. Secure