Thank you for ________ this evening．

1. A.
   join us
2. B.
   join in us
3. C.
   joining us
4. D.
   joining in us

Thank you for ________ us．

1. A.
   join
2. B.
   joining
3. C.
   joined
4. D.
   are join

 Thank you for ____________us! Next we're talking about "Healthy Living".

    A. to join       B. join     C. joining     D. joined

Thank you for __________ us this evening.

　　A.join B.joins　　C.joined D.joining