Tom’s parents died when he was a child, so he was ______ by his relatives.
The news reporter hurried to the airport, only_________ the film stars had left .
Although there were so many people in the square, I could ______ my friend.
What worried the child most was ______ to visit his brother n hospital.
What the doctors really doubt is ______ my mother will recover from the serious disease soon.A.when B how C whether D why
He hasn’t slept at all for three days._______ he is tired out .