شرکت در آزمون آنلاین زبان انگلیسی 2 - درس دوم | آزمون شماره 4473

The dedicated teacher does his best to encourage everyone to ............................ in the classroom discussion, but most of them are either sleepy or bored.

Spending time in nature can be a/an ............ for many mental illnesses like depression, anxiety, and long-term anger. But you have to make it a habit.

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