From a distance you——- a wolf from a dog since wolves look very much like some dogs, such as German shepherds.
A. Couldn’t have been distinguished
B. Might not be able to distinguish
C. Would not be distinguished
D. Had better not distinguish
E. Shouldn’t have distinguished

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Past Simple & Past ContinuousJobsHave toLinkers and ConjunctionsModal, Causative Verb & Elliptical StructureSimple Present and Present Continuous TenseGrammar - Collective NounsPerfect TensesNouns FormationSuperlative & Comparative AdverbsOther quiz:
Grammar › ViewWe ___ bring your own snacks. They’ll provide food.
A. don’t have to
B. must
C. should
D. need to
Vocabulary › View
What does ‘migrate’ mean?
A. To use the real or original meaning of a word or phrase
B. To change something into a different form
C. To officially give someone a prize or reward
D. To move to a different country
Grammar › ViewShe has …… the letter to her uncle in Spain
A. sends
B. to send
C. send
Grammar › View
When do we use simple present tense?
A. When an action has happened.
B. When an action is happening right now.
C. When an action may happen in the future.