We _______ the new software for weeks, and it still _______ properly.
A. have tested / doesn’t work
B. are testing / doesn’t work
C. test / isn’t working
D. have been testing / isn’t working

Random Topics:
Verbal PhrasesModal and Auxiliary VerbsPast Future TensesCommasAlthough, Though, In spite of, DespiteNarrative TensesGerunds as Objects of PrepositionsPast form of ModalsGrammar Past and Future TenseAdverb & Compound SentencesOther quiz:
Tenses › ViewThey __________ to the beach last summer.
A. go
B. going
C. went
D. goes
Grammar › View
What is the correct way to write this sentence?
A. She was born in Florida on May, 8 2020.
B. She was born in Florida on May 8, 2020.
C. She was born in florida on may 8 2020.
D. She was born in Florida on, May 8 2020.
Grammar › ViewWhich of the following is grammatically correct?
A. John and Sarah runs together every day.
B. John and Sarah was running together every day.
C. John and Sarah run together every day.
D. John and Sarah runned together every day.
Grammar › View
I ………………………..home when I met my old friend from primary school.
A. walked
B. was walking
C. was coming
