. I’ll never forget the day ______ I was born.
Some steps have been taken to prevent the forest ____ .
The cleaning workers are on strike to make ____ they are doing an important and necessary job for society.
Every minute he could spare was made use ____ spoken English.
“How much do you ____ for repairing such a pair of shoes?”“Two dollars, sir.”
“Is Jack on duty today?”“It ____ be him. It’s his turn tomorrow.”