[ Tenses ]
Tina ………… while Bob was watering the plants.
A. cooked
B. was cooking
C. has been cooking

Random Topics:
Modal, Causative Verb & Elliptical StructureVocabulary and PrepositionsTransitional Phrases and ConjunctionsAdjectives & QuantifiersProgressive TensesSimple Present Negative and QuestionBecause / soGrammar and StructureLinking Verbs & Helping VerbsNoun Phrases and AdverbialsOther quiz:
For vs Since › ViewThey have not met each other _______ they graduated from university.
A. since
B. for
Vocabulary › View
Which word best describes an action that is likely to upset or anger others?
A. Tactful
B. Inflammatory
C. Laudatory
D. Deferential
Idioms › View“Of service” means to be ___.
a. efficient
b. useful
c. desirable
Grammar › View
Ching Yi __________ magic tricks for a living.
A. do
B. does
