[ Grammar ]
The report’s conclusion, __________ by many experts, remains controversial.
A. questioning
B. questioned
C. having questioned
D. was questioned

Random Topics:
Relative Clauses beginning with PrepositionsConditional 0Conjunctions and Verb TensesTenses & PrepositionFirst and Second ConditionalConjunctions & PrepositionsPresent Simple x Present ContinuousSimple Present Tense vs Present Continuous TensePast and Perfect TensesSimple TenseOther quiz:
Grammar › ViewYou got the job? That’s great. You _____________ be excited.
A. must
B. might
C. must to
Passive Voice › View
A lot of money is been stolen in the robbery. . .
A. wrong
B. right
Mixed General Quiz › ViewYou can listen ___ the Oregon Symphony.
a. on
b. in
c. to
d. of
Present Tense › View
Cindy ________ (prefer) tea to coffee.
A. prefer
B. prefers
C. preferres
D. preferies
