[ Past Tenses ]
We were tired as we ________ for more than four hours.
A. walked
B. were walking
C. had walked
D. had been walking

Random Topics:
Auxiliary ModalInfinitiveSo, Such, Many, MuchParticiple AdjectivesSentencesAdjective OrderTypes of Simple SentencesVerb Forms and PrepositionsSuffixes (ing-ed) SentencesPaired ConjunctionOther quiz:
Prepositions › ViewHe was successful ________ his job.
A. in
B. with
C. of
D. to
Grammar › View
On Saturday, Joe brought Fido a bone from the doggie boutique.
The direct object is ________________.
A. Saturday
B. Fido
C. Bone
D. Boutique
E. None of the above