آزمون آنلاین انگلیسی 3 - درس سوم | آزمون شماره 10016

These homes were all built to take advantage of simple, natural cooling methods - no .......... required.

We all know John is blamed for this mess. It's clear that his silence is ......................... to an admission of guilt.

Successful business is started when you .................. a strategy for making money.