I travelled in Mountain Tai, I was deeply impressed with its beautiful scenery.
| A．For the first time | B．At first |
| C．It was the first time | D．The first time |
Standing on the top of the hill，I would not do anything but__________the flowing of the smog around me.
| A．enjoy | B．enjoying | C．enjoyed | D．to enjoy |
I was afraid__________to my customers because I was afraid__________them.
| A．of talking back；to lose | B．of talking back；of losing |
| C．to talk back；to lose | D．to talk back；of losing |
—What caused the party to be put off?
—__________ the invitations.
| A．Tom delayed sending | B．Tom’s delaying sending |
| C．Tom delaying to send | D．Tom delayed to send |
There are lots of places of interest__________in our city.
| A．needs repairing | B．needing repaired |
| C．needed repairing | D．needing to be repaired |
The Space Shuttle Columbia broke into pieces over Texas as it returned to the earth on February 1，2003，__________all seven astronauts aboard.
| A．having killed | B．killing |
| C．being killed | D．killed |