[ Have to ]
Mary…………to tidy up.
A. does
B. to
C. has
D. have

Random Topics:
Perfect Progressive TensesBecause / soGrammar - too & enoughThe -ing Form of VerbsGerund and InfinitivesIf ClausesPerfect and Past TensesSentence StructureSo or SuchNarrative TensesOther quiz:
Grammar › ViewHow __________ for the test? Have you got any plan yet?
A. are you go to prepare
B. are you going to preparing
C. are you going to prepare
D. are you going
English Article › View
I live in _________ big house.
A. a
B. an
C. –
Word Form & Verb Tense › ViewIn 21st century, scientists continue to look for new ways _____ serious disease and slow down the ageing process
A. to treat
B. treat
C. treatment
D. treated
Vocabulary › View
a system of ideas to explain something
A. servant
B. evaluate
C. theory
D. preserve
