شرکت در آزمون آنلاین زبان انگلیسی 2 - درس دوم | آزمون شماره 2176

I continued to ……… his progress against the charts in the doctor’s office.

The earliest human beings learned to measure time by the regular reappearances of ....................... events. The most obvious of these was day and night.

. I like the idea of that because it reminds me to think of the future rather than ...................... looking to the past