It was a great _____ for him to be pleasant to people he didn't like.
| A．attempt | B．trouble | C．power | D．effort |
Taking regular exercise and eating a balanced diet are two important keys ________ good health.
| A．in | B．from |
| C．of | D．to |
The Boston Marathon bombings killed 3 people, including a Chinese citizen ________ Shenyang.
| A．in | B．from |
| C．across | D．to |
The art show was ______ being a failure; it was a great success.
| A．far from | B．along with |
| C．next to | D．regardless of |
—How amazing it is that astronauts are exploring outer space!
—It's a challenge, I guess, ______ man against nature.
| A．of | B．for |
| C．by | D．about |
Everybody was touched ______ words after they heard her moving story.
| A．beyond | B．without |
| C．of | D．in |