用所给词的适当形式填空
The young man dived to a________（deep）of 40 feet．
（2014山东烟台）You look tired．You’d better________a good rest．
A．stop to have
B．stop having
C．to stop to have
D．to stop having
David spent all________day cleaning his bedroom．
A．a
B．the
C．an
D．／
（2013浙江绍兴）The girl is afraid to dance in public because she thinks others may________her．
A．laugh at
B．wait for
C．hear of
D．agree with
根据汉语提示完成句子
When we are in trouble，we should face the challenges________worrying about our problems．（代替）
The singer has a special________and he is famous for it．Many young people like to listen to his songs．
A．sound
B．voice
C．noise
D．shout
