Jack_____out very early, for he had not shown up at breakfast.A．could have goneB．must have

Jack is an intelligent pupil, but he lacks __________ for working hard and becoming a

It is very important for the strong man to know that ______ strong he is, he cannot be the

Jack London worked very hard and finally he _______ success.A、madeB、foundC、soughtD、achi

Tom was very lucky______with his life: he almost did not get out of the room.A．escapingB．t

Because Jack was ______ of the new limit, he was stopped and warned for speeding.A．ignoran

Out new hose is very _______ for me as I can get