شرکت در آزمون آنلاین زبان انگلیسی 1 - درس 3 | آزمون شماره 49

Edison decided to finish his project on time, so he worked day and night and never ......... before completing it.

The engine of the plane suddenly exploded and it plunged into the mountains ......... all people on board.

My father told me, “Be careful with that knife. You might cut ……… .”

Do not talk to your friend while the teacher is teaching. There's a time and a ............... for everything.

The cause of death of Iranian doctor was the expired ........................ .