Duty is an act or a course of action that people __________you to take by social customs, law or religion.

Believe it or not, when first (introduce) ____ to Europe, tomato was thought to be poisonous.

Project ______is an uncertain event or condition that，if it occurs，has a positive or a negative effect on at least one project objective，such as time，cost，scope，or quality．

It is generally considered unwise to give a child___( )_____ he or she wants.

It will be a relief over the death of a friend or a relative if the friend or relative dies from ______.

Hurry up, or you ______ catch the train.

—We have to stop talking here. Listen, _____!—Hurry up, or we’ll be late.

Hey, Nick. ______ comes the last bus! Hurry up, or we’ll have to walk home.

—We have to stop talking here. Listen. _____!—Hurry up, or we’ll be late.

—Hurry up, or we’ll be late.—Take your time. it’s just ______ short distance from here to ______ cinema.

—How long does it take us to go to your hometown from here?—It takes us ______ hour or more to go to my hometown by ______ train.

By degrees the shutters were opened; the window-blinds were drawn up, and people began passing to and (1)____. Some few stopped to gaze at Oliver for a moment or two, or turned round to (2) st____ at him as they hurried by; but none relieved him, or troubled themselves to inquire how he came there. He had no heart to beg. And there he sat. He had been crouching on the step for some time, (3)____(wonder) at the great number of public-houses (every other house in Barnet was a tavern, large or small); gazing listlessly (4)____ the coaches as they passed through, and thinking how strange it seemed that they could do, with (5) e____, in a few hours, what it had taken him a whole week of courage and (6)____(determine) beyond his years to accomplish; when he was roused by observing that a boy, who had passed him carelessly some minutes before, had returned, and was now surveying him most (7)____(earnest) from the (8) o____ side of the way. He took little heed of this at first; but the boy remained in the same attitude of close observation so long, that Oliver (9)____(raise) his head, and returned his steady look. Upon this, the boy crossed over, and, (10) w____ close up to Oliver, said, “Hello! My covey, what’s the row?”