[ Tenses ]
They ………. the software for a week.
A. had tested
B. were testing
C. have been testing

Random Topics:
ComparativesPast Simple and Past ProgressiveSports VocabularyMoods of GrammarAdverbs of Time and PlacePersonal PronounUnderstanding Product Packaging and TensesBare Infinitive and To InfinitiveBasic GrammarAdjective OrderOther quiz:
Reported Speech › ViewExcuse me. Could you tell me________?
A. what time is it
B. what is the time
C. . what time it is
D. it is what time
Vocabulary and Grammar › View
Every year fireworks go ….. during the festival.
A. up
B. on
C. off
D. out
Sentence Structure and Verb Tenses › ViewSelect the sentence with an adjective modifying a noun:
A. She quickly finished her homework.
B. The tall building was impressive.
C. He ran fast.
D. They spoke loudly.
Grammar › View
This drink is very sweet. It has too __________ sugar in it.
A. little
B. few
C. much
D. many
