[ Vocabulary & Grammar ]
My mother ________ in the supermarket all afternoon.
A. has been working
B. has worked
C. is working
D. works

Random Topics:
TOEFL Adjective and AdverbComparative and Superlative AdjectiveTransitional Phrases and ConjunctionsTransition WordsContinuous TensesAdjectives with PrepositionPresent Simple & ContinuesPresent Simple VS ContinuousConditionals 1,2,3Noun QuantifiersOther quiz:
Verb Tenses › View. What is the meaning of the sentence “I have lived in Korea for 2 years”?
A. I lived in Korea for 2 years but don’t live there now.
B. I started living in Korea 2 years ago and still live there now.
C. I will live in Korea for 2 more years.
D. I had lived in Korea but moved out before.
Conjunctions › View
The cat is black and white.
A. Person
B. Adjective
C. Verb
D. Sentence
Adverbs › ViewIdentify the adverb that modifies the other adverb in the following sentence: He runs extremely fast.
A. slowly
B. quickly
C. carefully
D. extremely
Transitive or Intransitive Verbs › View
The bus drivers took a wrong turn at the last stop light.
A. transitive
B. intransitive
