(天津卷5). People have always ______ about exactly how life on earth began.
She was surprised to find the fridge empty; the child everything!
When I got on the bus, I I had left my wallet at home.
Frank insisted that he was not asleep I had great difficulty in waking him up.
It was a nice meal, _______a little expensive.
Suddenly a good idea me that I could use a computer to do the job.