[ Tenses for Hospitality ]
I ___ already ___ the reservation email.
A. have, sent
B. has, send
C. have, send
D. had, sent

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Simple, Compound, Complex SentencesPassive SentenceIrregular verbsPresent Simple ProgressiveExclamationWh QuestionsPast Simple or Past ContinuousFinite and Non-Finite VerbPossesive Pronouns and Modals of AbilityAsking & Giving OpinionOther quiz:
Grammar › ViewMost climate scientists agree the main cause of the current global warming trend is human expansion of the greenhouse _______.
A. causes
B. effect
C. gas
D. damage
Linking Words › View
… all the technical problems he had with the computer, he managed to send the e-mail.
A. Despite
B. Although
C. Because of
D. Since