[ Vocabulary ]
an organism that kills another for food or nutrients
A. predator
B. prey
C. symbiosis
D. mutualism

Random Topics:
Grammar and Verb TensesSimple Past or Past ContinuousJobsPassive Voice in Past Simple TenseTake or PutPossessive Pronouns and QuantifiersVerb Tenses and Sentence StructureRelative Clauses & Real ConditionalsModal VerbsVerb TensesOther quiz:
Gerunds and Infinitives › ViewAll the students agreed________ all the museums in the city.
A. visiting
B. to visit
Grammar › View
… addition to the new stories we also listened to some folk tales.
A. At
B. On
C. With
D. In
I was not ….. to be kept waiting so long.
a.amused
b.amusing
Verb Tenses › View
Did he read a book yesterday?
A. Yes, he did.
B. Yes, he read
C. Yes, he does.
