[ Grammar ]
Radioactive waste is considered ____ harmful for humans, plants, animals and surrounding environment.
A. to be
B. be
C. being
D. been

Random Topics:
Nouns, Articles, DeterminersRelative Clauses beginning with PrepositionsAdverb of MannerIdentifying TensesSentence Types and ConjunctionsAdverbial Clause, Noun ClauseSimple Future TenseGrammar: Morphologywould should couldDEGREE COMPARISONOther quiz:
Tenses › ViewThe team ____ research for years, and they usually ____ their findings at conferences.
A. conducts / has presented
B. was conducting / presented
C. conducted / are presenting
D. has been conducting / present
Modal Verb › View
………….. I go out?
A. May
B. Would
C. Shall
D. Will
Present Tense › ViewWe have ____ movies in this Cineplex.
A. watch
B. watchd
C. watched
Identifying Tenses › View
What are you doing there?
A. Past simple progressive
B. Present perfect progressive
C. Present progressive
D. Past perfect progressive
