[ Modals and Modal Perfects ]
We have to clean up the house before the guests arrive.
A. The house is tidy.
B. The house is a mess.

Random Topics:
Coordinating & Subordinating ConjunctionsParallel Structure or Combining SentencesPresent Perfect and Present Perfect ContinuousSimple and Continuous TensesIELTS VocabularySimple vs Present Continuous TensesSentence TransformationModals of ObligationPerfect Tenses of VerbsWish + Verb 2Other quiz:
Regular vs. Irregular Verb › ViewLisa ___________ the ball with one hand!
A. Caught
B. Catch
Grammar › View
Mount Everest is the ___________________ mountain in the world.
A. high
B. higher
C. highest
D. most highest
Grammar › ViewWhere do you usually eat lunch?
a. Sandwich.
b. With Jane.
c. At 12:00.
d. In the cafeteria.
Third Conditional › View
What is the structure of a third conditional sentence?
A. If + past simple, would + base verb
B. If + present simple, will + base verb
C. If + past perfect, would have + past participle
D. If + past continuous, would + base verb