—Who called just now, Sam?—It’s Mona. She asked _____.
I don’t doubt ____________ she can do it well, but I doubt _________ she is willing to do it.
It’s nice ___________ the doctor to devote all the time he has _______ for the patients.
--What’s wrong with you , Eric ? You look tired .--I ______ to prepare for the final exam last night .
He realized his mistakes and took action to reduce the loss _________ it was too late.
Peter tried on three jackets, but _________ of them fitted him.