[ Past Tenses ]
By the time the train arrived, we ___ there for 30 minutes.
A. waited
B. were waiting
C. had waited
D. have waited

Random Topics:
Adverbial Clause / If / ComparativesVocabullary TestTransitive and Intransitive VerbNoun QuantifiersOn, At, ByActive & Passive VoicePresent Perfect Continuous TenseConjunctions and CommasGrammar and Verb TensesGerunds + To InfinitiveOther quiz:
Vocabulary › View………. can harm the environment.
A. Pesticides
B. Attractions
C. Facilities
D. Predators
Grammar › View
The fog ____ thicker and thicker and we were scared.
A. was getting
B. would get
C. had got
D. had been getting
