—How are you feeling here?—It’s quite hot.I don’t know ______ to go or stay.
—I want to know ______ your son is.—He is ten years old.
She told me the sun ______ in the east.
Tom asked my friend ______.
Our English teacher is very ______ to us. We all love her.
—When will the train ______ here?—In five minutes.