We have a lovely room. It’s one of in the hotel.
After you finish the exercises, you’d better have your answers ___________.
It was getting dark, but the little boy didn’t know______________.
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 .