[ Tenses ]
Choose the correct form: “They ___ (not / work) right now.”
A. do not work
B. are not working
C. have not worked
D. had not been working

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Grammar and VocabularyThere is, There are, Some, AnyReflexive pronounsArticle the or zero article (-)Grammar, Literature, and VocabularyModal Verbs of ObligationPrepositions and TensesTenses StructurePresent Perfect and Simple Past TenseVerb Tenses and ModalsOther quiz:
Vocabulary › Viewa pause in fighting, temporary peace
A. trivial
B. dynasty
C. vicious
D. truce
Conjunctions › View
What is the conjunction in this sentence: Donald ate all his dinner, so he was able to have dessert.
A. Ate
B. Dinner
C. So
D. Donald
Vocabulary › ViewThey are synonyms: smug and ________
A. conceited
B. snobbish
Subject-Verb Agreement › View
They say that he can identify and pinpoint the distinct flavors and tastes of each of the ingredients found in the food he samples.
A. Similar
B. Artificial
C. Combined
D. Different