For example, don't keep looking at the ground or staring into space, or talk with your arms _____
| A．cross | B．crossed | C．crossing | D．to cross |
Local villagers ______the doctors with the people ______ in the bus crash.
| A．assisted; wounded | B．aided; wounding |
| C．help; wounding | D．saved; wounded |
Zhang Ziyi and Wang Feng, both of them ______ in the media spotlight, get romantically involved.
| A．pay attention | B． paid attention to | C． paying attention | D． are paid attention to |
With everything needed_____, Mrs. Jackson went to the supermarket after work in a hurry.
| A．buying | B．to buy | C．bought | D．Buy |
______, the conference began.
| A．The candidates having taken their seats |
| B．The candidates had taken their seats |
| C．Taken their seats |
| D．Taking their seats |
UN Secretary-General Ban Ki-moon left for Pakistan this morning， his assistant _________ him there this Friday.
| A．joins | B．joined | C．joining | D．to join |
When _____ the letter, tears came to her eyes.
| A．she was reading | B．reading | C．she reading | D．read |
Bats are surprisingly long-lived creatures, some ____________ a life span of around 20 years.
| A．having | B．had | C．have | D．to have |
With a lot of homework _________, Tom didn’t go to the movies with his father.
| A．finished | B．to finish | C．finishing | D．being finished |