شرکت در آزمون آنلاین زبان انگلیسی 1 - درس 3 | آزمون شماره 62

1- The first experience of a baby’s loneliness is the time he’s put in the ……… to sleep.

2-

The ..................................... of the silicon chip was a landmark in the history of computers.

3-

Scientists do ............................ to learn something or to discover if something works or is true.

4-

I went to my cousin's house the other day but ................. because he was on a business trip to London.

5-

A : Who typed the news for the president on his tweeter account?

B : Nobody ,  ........................................... .