[ Grammar ]
Museums of natural history are ordinarily – – – – – by special interest groups created for that purpose.
(A) owned and operated
(B) they own and operate
(C) owning and operating
(D) the owner operates

Random Topics:
Future TensesAdverb of MannerPast Progressive TenseGrammar: Have toGrammar Past and Future TenseMust Vs Have toGrammar - help/have/let/makeReported Speech and SubjunctiveIndependent and Dependent ClausesVerb Forms and PrepositionsOther quiz:
Modal Verbs › ViewI don’t know what to do. – You _____ your father for advice. (Suggestion)
A. are able to ask
B. could ask
C. must ask
D. have to ask
Plural › View
What’s the plural of potato?
A. Potatos
B. Potatoes
C. Potats
Four-fifths of the world’s computers use programs ________ English.
A. at
B. in
C. on
D. about
Grammar › View
A: The weather is beautiful. Would you like to ….
B: I’d love to.
A. study hard
B. go for a walk
C. stay in
D. play computer games
