[ Grammar ]
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 › ViewIf my car _____ start, I will be late.
A. didn’t
B. doesn’t
C. don’t
D. did
Grammar › View
Choose the correct word:
This maths problem is so ____________. Can you help me?
_____
A. confusion
B. confusing
C. confused
D. confuse
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.