[ Past Tenses ]
The client ___________ (complain) about the bug before we could fix it.
A. had complained
B. complains
C. was complained
D. complain

Random Topics:
Personal PronounsGrammar - Future Action-ing &-ed AdjectivesGRAMMAR - Could / Could notFuture Tense - will and going toGrammar - may & mightPast Simple and Past Continuous TensesIntensifiers: Really vs VeryModals TensesAdverb of FrequencyOther quiz:
Contrastive Conjunctions › ViewUse ‘in contrast to’ in a sentence comparing two subjects.
A. In contrast to cats, dogs are known for their solitary behavior.
B. Cats are generally more independent, in contrast to dogs, which are often more social.
C. Cats are more social than dogs, in contrast to their independent nature.
D. Dogs are generally more independent, in contrast to cats, which are often more social.
Grammar › View
The student is not sure about what group of animals whales ______.
A. amount to
B. occur to
C. lead to
D. belong to