[ Grammar ]
Look! That robot __________ the floor automatically.
A. cleans
B. clean
C. is cleaning
D. cleaned

Random Topics:
Past simple vs Present perfectAbstract NounsDeterminersAdverb PhrasesVocabulary and UsageGrammar & VocabularyBasic TensesFuture Simple TensesVerbs of movementSimple Present Negative and QuestionOther quiz:
Past Simple Tense › ViewShe (cook) a delicious dinner, but unfortunately, she (burn) the dessert.
A. cooked, burnt
B. cook, burned
C. cooks, burnt
D. cook, burnt
TOEFL Grammar › View
What is NOT true about the given information?
A. You can buy annual tickets.
B. You don’t need to bring any form of personal identification.
C. You can save time if you book tickets online.
Grammar › ViewOur family likes to have dinner ____ 7:00 pm.
A. at
B. on
C. in
D. of
Tenses › View
In one year’s time, she ____ for this company for 15 years.
A. will be working
B. will have been working
C. will work
D. has worked
