When too many people cram into a small area, urban infrastructure can't be effective

31/50

When too many people cram into a small area, urban infrastructure can't be effective. There will be a (31)________ of livable housing, energy and water supply.

lack

plenty

appearance

loss

Giải thích

* appearance (n): sự xuất hiện

* plenty (n): sự phong phú

* loss (n): sự mất mát

* lack (n): sự thiếu hụt

Tạm dịch: There will be a lack of livable housing, energy and water supply. (Sẽ thiếu nhà ở, năng lượng và nước.

Chọn đáp án A