Qingdao will spend about 80,000,000,000 yuan in building a bridge _____ the sea. [ ]

He is old, but he ____ have gray hair.

Thanks to our school program The same song , we ___________ about ten songs by the end of last month.

.Why __________ put the meat in the fridge ? It’ll stay fresh for several days.

Don’t _____ your hands from the window when you are on a bus.