contestada

. Modern zoos are very different from zoos which ________ fifty years ago.
A. were built B. was building C. to be built D. building

Respuesta :

manhhieu07

Answer:B

Explanation:

aribeccawil
The answer is A - were built

Explanation:

Fifty years ago suggests that it was built in the past. Therefore “we’re built” is the grammatically correct answer.

Otras preguntas