شرکت در آزمون آنلاین زبان انگلیسی 1 - درس 3 | آزمون شماره 23

1- So far we haven’t been able to find much about this metal, but we are still ......... on it.

2- ……… in the deep part of the ocean, the sharks started to attack him.

3-

To grow or change into a stronger, larger or better form could be one of the meanings of the word "...................  ."

4-

We must love ...................... even if no one loves us.

5-

The cause of death of Iranian doctor was the expired ........................ .