The office ………… already …………
A. was / be clean
B. have / been cleaned
C. has / been cleaned
D. Is / clean

Random Topics:
Take or PutGerunds and InfitinitivesPresent Continuous, Present Perfect and Used toArticlesPerfect ModalsModals and InversionWill, Be going to, Present ContinuousGrammar - TOEICGrammarCommunicative GrammarOther quiz:
Modal Verbs › ViewWe ___ hear anything at the concert because the music was too loud.
A. can’t
B. couldn’t
C. shouldn’t
D. can
Grammar › View
Read the sentence below. How would you rewrite it using a pronoun?
We are looking for Jacob, Tyler, and Henry.
___
A. We are watching for Jacob, Tyler, and Henry.
B. We are waiting for Jacob, Tyler, and Henry.
C. We are looking for them.
D. We are looking every where for Jacob, Tyler, and Henry.
Conjunction › ViewCombine the following sentences using a conjunction: The cat is black. The dog is brown.
A. The cat is black, however, the dog is brown.
B. The cat is black and the dog is brown.
C. The cat is black or the dog is brown.
D. The cat is black but the dog is brown.
Phrasal Verb › View
develop
A. Work on
B. Work up
C. Work out
