[ 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 › ViewHe (not eat) dinner last night.
A. not eat
B. not eating
C. not ate
D. not eaten
Types of Sentence Structures › View
The platypus has venom-producing glands, which are rare among mammals, but its venom is not generally lethal to humans.
A. simple
B. compound
C. complex
D. compound-complex
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