— What lovely weather! Shall we（） it and go camping?
— Why not? I love getting close to nature.

单项选择题The fact（）the earth is becoming warmer and warmer has worried many scientists.

A.what
B.which
C.that
D.though

单项选择题（） the right kind of training, these teenage players may grow into the stars one day.

A.Giving
B.Having given
C.To give
D.Given