Directions : This part is to test your
ability to understand short dialogues. There are 5 recorded dialogues in it.
After each dialogue, there is a recorded question Both the dialogues and the
questions will be spoken only once. When you hear a question ,you should decide
on the correct answer from the four choices marked，given in your test paper.
Then you should mark the corresponding letter on the Answer Sheet with a single
line through the center. Now the test will begin.
A.He saw the big tower he visited on TV.
B. He has visited the TV tower twice.
C. He has visited the TV tower once.
D. He will visit the TV tower in June.