1.A:"Help yourselves to some fruit,everyone."

1.A:"Help yourselves to some fruit,everyone."
B:"________"
A.We do not like it B.Thank you very much C.The same to you D.It is kind of you to say
2.Be quiet!I have_______to tell you.
A.something interesting B.interesting something
C.anything interesting D.interesting anything
3.Rose,do you want to_____the singing group?
A.join B.join in C.take part in D.attend
4.Do you want to_____the group singing?
A.join B.enter for C.take part in D.attend
还有，为什么-