Taking this medicine, if ________, will certainly do damage to your health, as the doctor advises.
—Do you think Jack will lend us a hand? —He is the last one to help others. He ________ lend his hand, though.
—________ you interrupt now? Can't you see I'm on the phone? —Sorry Sir, but it's urgent.
I ________ thank you too much for all your help to my son while we were away from home.
No one ________ be more generous; he has a heart of gold.
He did not regret saying what he did but felt that he________it differently.