__________ around the fire, the tourists danced with the local people.
| A．Gather |
| B．To gather |
| C．Gathering |
| D．To be gathering |
The police will have to the room for fingerprints.
| A．check | B．examine | C．clean | D．analyze |
once before, after your class I got my visa（签证）. So thank you again.
| A．Having rejected | B．Rejected | C．Being rejected | D．To be rejected |
Who is the man a blue shirt? I have never seen him before.
| A．is wearing | B．dressed up | C．dressed in | D．worn |
Here is my classmate ________ bicycle was lost yesterday.
| A．his | B．that | C．which | D．whose |
The young doctor is determined to devote all his life to ________ the cause of cancer.
| A．studying | B．studied | C．study | D．studies |