[ Grammar ]
Unless the new treatment __, it may cause harm.
A. be thoroughly tested
B. has been thoroughly tested
C. was tested thoroughly
D. will test thoroughly

Random Topics:
Preposition & GerundComparisonModals, Phrasal Verbs, Gerunds and InfinitivesSubjunctivesVocabulary and Sentence StructureMix-TensesFirst Conditional SentenceCoordinate ConjunctionPresent Progressive TenseHow often - long - much - manyOther quiz:
Present Tenses › View_____ the manager yet? Now is your chance to do so.
A. Haven’t you met
B. Don’t you meet
C. Aren’t you meeting
D. Weren’t you meeting
Vocabulary › View
Comprise
A. Compose; encompass
B. Vague; ambiguous; implied
C. Controlled; restrained
D. Exclude
Your sister lives in Spain, ______________?
A. doesn’t she
B. isn’t she
C. is she
Pronoun › View
We wanted to come on time, but …bus was delayed
A. Its
B. ours
C. our
D. your
E. yours
