I’m _____ too much weight, doctor.— You’d better take more exercise.

Doyoubelievethatpaperismade_______wood—Yes,Ido.Andyoucanseethatbooksaremade________paper.

Many scientists have believed that theremay be a _________of life on the Mar．

arrived, Bryan took me to see the house_Iwould be staying

For a long time, he hesitated whether he should tell us ____ what had happened