--The man in a black suit _______ be our youth worker. -- I’m sure it _____ be him. I saw him in the laboratory building some minutes ago.
— What do you think ofnature reserve you visited last weekend? —It’s great. It is ideal home for wildlife.
My father likes teanothing in it.
There’srain on the road, so she should drive carefully.
By the time I locked the door, I realized I ________ my keys at home.
It is cruel___ them to catch the sharks and cut______ their fins.