John ____ for the government since he graduated from Harvard University. Until recently, he ____ his work, but now he is talking about retiring.
A. has been working – has not enjoyed
B. has writing – has been finishing
C. has worked – has been enjoying
D. has worked – have enjoyed

Random Topics:
Grammar and IdiomsIndependent/Dependent Clauses & Relative ClausesRelative Clauses beginning with PrepositionsGerund Subject or ObjectPresent Progressive TenseSentence StructurePassive Modals in Different TensesDo not- Does notTOEICThird ConditionalsOther quiz:
Grammar › ViewThe noise of the traffic kept me awake.
A. I was kept awake by the noise of the traffic?
B. The traffic kept me awake by the noise.
C. I remained awake by the noise of the traffic.
D. I kept myself awake due to the noise of the traffic.
Grammar › View
Choose the part of speech of the capitalized words in the sentence.
The wicked witch scared the children AT the concert.
A. conjunction
B. preposition
C. pronoun
Past Tenses › ViewIf you …….last week, I would have done this work better.
A. had been helping
B. helped
C. had helped
D. was helped
Vocabulary, Adjective & Preposition › View
She is proud __________her accomplishments in the marathon.
A. on
B. of
C. about
D. with
