[ Relative Clauses ]
The airport limousine service, ______________________ has been running since January, has been favorably received by travelers.
A. who
B. what
C. when
D. which
Select your answer:

Random Topics:
Infinitives and GerundsSimple Past Irregular & NegativePassive ModalsModals of Advisability-ing / Infinitivewas wereGrammar: Imperative and Exclamatory SentencesFirst & Second ConditionalAdjective OrderAdverbs or AdjectivesOther quiz:
Tenses › ViewI … call you when you arrive
A. was
B. were
C. will
D. am
Grammar › View
Animals often _______ body language to talk to one another.
A. use
B. used
C. have used
