[ Vocabulary & Grammar ]
No sooner ____________ at the airport than he called home.
A. had he arrived
B. he had arrived
C. he arrived
D. has he arrived

Random Topics:
TOEICPassive Voice with Modal VerbsNouns FormationFuture Continuous TenseLinking Words & PhrasesWish - beginnerAdjectives (-ed / -ing)Figure of SpeechFunctional Sentence TypesExpressing Obligation and ModalsOther quiz:
Grammar › ViewThe children are ___ too much noise.
a. doing
b. making
Grammar › View
They ______ over 500 trees so far this year.
A. had planted
B. planted
C. have planted