The sportsman didn’t manage to break _____ record, but it was _____ good try.
| A．a; the | B．the; a | C．a; 不填 | D．the; 不填 |
___________the many ways illegal immigrants come into the United States every year, the vehicle crammed with crowds seems to be the method of choice lately. However, tragedies such as deaths on the journey to the destination, are sometimes reported nowadays．
| A．In | B．For | C．Of | D．On |
Not giving up when meeting with difficulties is a good quality, ______ you can benefit from.
| A．what | B．that | C．one | D．the one |
You can stay there for as long as your supplies of food and water can ________.
| A．hold up | B．hold on |
| C．hold back | D．hold out |
Time is pressing; it’s impossible for me to get there in an hour, ________ the possible delays.
| A．accounting for | B．answering for |
| C．allowing for | D．heading for |
_____ to improving services, we will provide customers with all the information they need.
| A．Being committed | B．Having committed |
| C．Committed | D．Committing |