________ by the problem that was put forward at the meeting, the people in the audience had ________ looks on their faces.
| A．Puzzled; puzzling | B．Puzzled; puzzled |
| C．Puzzling; puzzling | D．Puzzling; puzzled |
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 |
This dictionary ________ me. It cost me twenty dollars.
| A．is belonged to | B．is belonging to | C．belongs to | D．belonged to |
I don’t like ________ you speak to her.
| A．the way | B．the way in that | C．the way which | D．the way of which |