Choose the word or phrase that best completes the sentence.
In its pure state antimony has no important uses, but _____ with other substances, it is extremely useful metal.
A. when combined physically or chemically
B. combined when physically or chemically
C. the physical and chemical combination
D. it is combined physically and chemically

Random Topics:
Conjunctions and CommasSimple Past TenseCardiology ServicesAdverb ClausesAdverb and Noun ClausesPresent Simple and Modal VerbsPrepositions after Verbs and AdjectiveFuture Tenses and ModalsPresent Perfect and Present Perfect Progressive TensesGrammar - Verb FormsOther quiz:
Grammar › ViewMy dad is so sick it is ________ for him to go to work.
A. possible
B. impossible
Grammar › View
…….. He brought his bike
A. Had
B. Has
C. Have
Grammar, Literature, and Vocabulary › ViewWhich demonstrates
correct apostrophe usage?
A. One students car was painted red and black.
B. One student’s car was painted red and black.
C. One students’ car was painted red and black.
Grammar and Vocabulary › View
La Tomatina…………………on the last Wednesday of August every year.
A. hold
B. held
C. is held
D. be held
