شرکت در آزمون آنلاین زبان انگلیسی 1 - درس2 | آزمون شماره 6712

When you ask someone about ……… be careful about what you say.

There are thousands of white cells in a drop of blood that ...................... our body against microbes.

I didn’t have a joyful childhood. The more I think about it ........................ happier I feel.