If this dictionary is not yours, ______ can it be?

Whether you go or not, _______ is quite all right with me.

He ________ comb his hair at the table, even though he knows I don’t like it. [ ]

My cousin would like to risk _____the weight loss pills rather than _____ in a gym.— Really? She must be mad.

Having worked as a doctor for so many years, Mr. White has________rich experience in battling with various diseases.