If you do not try hard, you can't pass the examination.
Unless __________________________________________________________________________

I wasn't there yesterday, so I didn't know who he was.
If I _____________________________________________________________________________

They are producing motorbikes in Vietnam.
Motorbikes are ___________________________________________________________________

The boy will receive some money to continue his study. His parents died in a traffic accident.
The boy whose ___________________________________________________________________

The questions are so easy that everyone can answer them.
They're such _____________________________________________________________________

“I don’t want to be criticized by non-professionals”, said the film star.
The film star objected _____________________________________________________________

My father started to read that book two weeks ago. He’s still reading it.
My father has ____________________________________________________________________

No students in my class can speak English as fluently as she does.
She speaks ______________________________________________________________________

Without his help, we would all have been in worse trouble.
Had it __________________________________________________________________________

Just after solving one problem, I was faced with another.
Scarcely ________________________________________________________________________