Dave\’s uncle died and left Dave millions of dollars.Dave became rich（富有的）and planned to set up his own company（公司）to sell houses.
He found a nice new office in a tall building and decided to rent（租）it.One morning,he was at work when he saw someone coming into his office.
"It must be my first customer（顾客）," Dave said to himself.So he quickly picked up his telephone and pretended（假装）to be answering a call.He pretended that the call was from someone who wanted to buy an expensive house.
A man knocked at the door while Dave was "on the phone"．He came in and waited for Dave to finish his "call"．
After five minutes,Dave finally finished.He turned to the man and said, "Sorry to make you wait.How can I help you?"
The man replied to Dave,
"I\’m from the telephone company.I am here to connect（接通）your telephone. "

（1）Dave became rich because ______.
A．he sold lots of houses
B．his uncle left him much money
C．he got a company
D．he sold his company
（2）When someone was coming to Dave\’s office,he was ______.
A．working
B．talking on the phone
C．connecting the phone
D．renting a house
（3）In fact,the man who came in to Dave\’s office was a ______.
A．customer
B．house buyer
C．a friend of his uncle\’s
D．telephone company worker
（4）After hearing what the man said,Dave may feel ______.
A.embarrassed
B．afraid
C．relaxed
D．happy