Exercise 6:Supply the correct word forms

Visitors should be more responsible for the preservation when they visit (a)   sites. (archaeology)

. (a)   and industrial emissions result in an increase in greenhouse gases such as carbon dioxide around the earth’s atmosphere. (forest)

He is scheduled to observe work Saturday at the (a)   site of an America jet-fighter which crashed in 1967 near Hanoi. (excavate)

International (a)   is one of the criteria to rank Vietnamese universities. (enrol)

The Citadel of the Ho Dynasty is one of the most (a)   destinations in Viet Nam because of its value. (attract)

The architecture of Hoi An is a (a)   blend of Vietnamese, Chinese, and Japanese influences. (harmony)

The early (a)   of the island were involved in farming and fishing. (inhabit)

We need to develop green (a)   communities that can reduce their impacts on the environment. (sustain)

We sell good quality food at (a)     prices. (reason)

She looked (a)   in her wedding dress. (magnify)