شرکت در آزمون آنلاین
انگلیسی 3
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درس دوم
| آزمون شماره 249
Jack put the bullet under a microscope, ......... it 1000 times and going over the surface nanometer by nanometer.
A report ……… by some reliable organizations described the economy as weak.
Ali is considered a/an .......... engineer. His work is good but you cannot compare him to top engineers because he is not a professional.
.Two atoms of hydrogen .............................. with one atom of oxygen to form a molecule of water
Do you know the cute girl ................ is talking to your sister?
