آزمون آنلاین درس1 زبان انگلیسی دوازدهم

During the 17th century, more and more people began to realize that they could test their scientifi c ideasby designing a relevant experiments ---------- .

The eastern bluebird is ---------- attractive bird native to this continent by many bird- watchers.

The couple before her bad found a way to make it work ---------- their diff erences.

The man who ----------- this company a hundred years ago never thought it would one day become so greatin size and importance.

On nights when the sky is clear ----------, the earth's surface radiated heat into the atmosphere.

You haven't done your homework, ----------?

The fi rst fast food restaurants ---------- in our city thirty years ago.

She asked all foreign nationals and tourists to ---------- the laws of their country of residence.

The fi rst rugs ---------- by hand, and the fi nest ones are still handmade.

The project has been a great success, thanks to our ----------- staff I'd like to thank you for all the hard workyou have put into it.