Excuse me, I have no ______ on me. Can you _____ the note of 100 yuan ?
It’s certainly been a long time _________ we met last time.
Unfortunately, the element Madam Curie devoted all her life her death.
Out of the crowded bus , who was dressed in a black suit and waved to a woman.
With the help of high technology, in the past few years, electronic business __________ to bank industry, travel industry.
We all know the truth ______ there are air, water and sunlight, there are living things.