آزمون آنلاین زبان انگلیسی 2 - درس سوم | آزمون شماره 3575

He may arrive a bit early. If he ………, he can help us get things ready.

There are still a lot of mysteries about ……… pyramid in Egypt.

The power of speech has made the human race ........................... among animals.

The number of powerful companies is increasing in China and its ................................ is developing rapidly .