آزمون آنلاین زبان انگلیسی 2 - درس دوم | آزمون شماره 3074

Mary practiced ……… the word “preface” until she sounded just like a native speaker.

.Their relationship was .................. of necessity, but it has developed into a true and lasting friendship 

.The babies in this unit have various ...............................  connected to them which monitor their heartbeat and vital signs

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