Look! There ___ a pencil and three note-books on the ground.
On the contrary, I think it is Truman, _______you, ____to blame.
SARS is an illness that can result in death unless left _____ in time.
It knowledge is power, ____Sir Francis Bacon wrote in 1579, ______ perhaps creativity ca be described as the ability to use that power.
—Have you nearly finished? —______, we have just begun.
Children’s brains can’t develop properly_______ they lack protein.