More and more people in Shanghai choose to go to work__________ underground.

his works earned him quite a reputation inLiverpool, he has stayed there most of his life, ____ the occasional visit tohis hometown

Sam_______ some knowledge of the computer just bywatching others working on it..

ernational Day against Drugs, aimed at warning people to keep away fromdrugs， _________ on June 26th everyyear．

–Amazing! You ______come to the party in such a fancydress.__ Do’t you know it’s a fashion