Thomas Alva Edison didn’t “invent” the light bulb (灯泡), but rather he ______ a 50 –year –old idea, which is not well –known.
__________ we gave him something to eat, he would save it up for his little sister.
Tim is in good shape physically __________ he doesn't get much exercise.
The engineers are so busy that they have zero time for outdoor sports activities,__________ they have the interest.
Teachers suggested that parents __________ their children under 12 to ride bicycles to school for safety.
Bill suggested_____ a meeting on what to do for the Shanghai Expo during the vacation.