[ Grammar ]
The gas from the chemical factory was extremely _____.
A. harm
B. harmful
C. harmless
D. harmfully

Random Topics:
Tenses and OpinionsPast Perfect or Past Perfect ContinuousGerund NounModal PerfectTOEICAdjective & AdverbsGrammar - FragmentsClauses of ReasonTypes of Sentence StructurePresent Simple and Present Continuous TensesOther quiz:
Grammar › ViewDon’t forget that you’ve placed your car keys _______________ the table.
A. toward
B. between
C. on top of
Vocabulary & Grammar › View
provisional, dependent
A. coherent
B. covert
C. conditional
D. correlation
Present Perfect Simple and Continuous › ViewAnne __________ in Korea.
A. have lived
B. has been living
C. has lived
Grammar › View
The cat _______________ (jump) out of the window 2 hours ago.
A. jumped
B. did not jump
C. has jumped
D. jump
