Mary ____ be in Paris . I saw her a few minutes ago .
In yesterday’s business training course the consultant instructed us that a good salesman must be ______ if he wants to succeed.
— What a terrible collision accident! — Judging from the scene, personally, it is one or two car drivers, rather than the truck driver, who ______.
.The number of deaths from heart disease will be reduced greatly if people _______ to eat morefruit and vegetables.
In _________eyes of children, playing on the Internet can only bring them ________great fun.
The keeper of the spring cleared away the leaves and branches, and wiped away the silt(淤泥) that would _______ have choked and polluted the fresh flow of water.