شرکت در آزمون آنلاین انگلیسی 3 - درس سوم | آزمون شماره 285

There are also other greenhouse gases besides Carbon Dioxide ......... Nitrous Oxide, Methane, etc. which can cause ozone depletion.

I wanted to buy a bigger car than this, but it was a case of ......... .

Water law is the field of law dealing with the ownership, control, and use of water as a ……… .

We should encourage people to use clear energy according to capacity of that region for example we can enjoy ……… because of its roaring rivers

An onion can make people cry but there's never been a...................... that can make people laugh .