[ Have to ]
They have ……… sweep the floor.
A. does
B. do
C. has
D. to

Random Topics:
Offer and SuggestionVerbs: Will & Going toPaired ConjunctionSentence Adverbs & Third ConditionalSimple Present and Past TenseTenses - Pasive VoiceGrammar Comma UsagePrepositions and ArticlesGrammar - may/might/couldExclamationOther quiz:
Grammar › ViewWe ______ for our English test at the moment.
a. study
b. are studying
c. studies
d. studying
Pronoun › View
The teacher said that everyone had to submit _____ quiz corrections by Tuesday.
A. Their
B. His or her
C. Its
It was a very difficult movie, but I _______ it because I _______ the book.
A. Had understood, read
B. Read, had understood
C. Had read, understood
D. Understood, had read
Grammar › View
How are non-restrictive clauses set apart from the main clause?
A. By commas
B. By dashes
C. By parentheses
D. By semicolons
