A rescue worker risked his life saving two tourists who _________ in the mountains for two days.
A. are trapping B. have been trapped C. were trapping D. had been trapped
In any unsafe situation, simply _________ the button and a highly-trained agent will get you the help you need.
A. press B. to press C. pressing D. pressed
China’s high-speed railways _________ from 9,000 to 25,000 kilometers in the past few years.
A. are growing B. have grown C. will grow D. had grown
During the Mid-Autumn Festival, family members often gather together _________ a meal, admire the moon and enjoy moon cakes.
A. share B. to share C. having shared D. shared
She and her family bicycle to work, _________ helps them keep fit.
A. which B. who C. as D. that
Susan had quit her well-paid job and _________ as a volunteer in the neighborhood when I visited her last year.
A. is working B. was working C. has worked D. had worked
