---Please _______ us in the discussion.

---I'd like to, but I'm ______ busy at the moment.

---Please _______ us in the discussion.

---I'd like to, but I'm ______ busy at the moment.

1. A.
   join in；much too
2. B.
   join；far too
3. C.
   take part in；rather too
4. D.
   play a part in；too much

---Please ______ us in the discussion.
---I'd like to, but I'm ______ busy at the moment.

1. A.
   join in; much too
2. B.
   join; far too
3. C.
   take part in; rather too
4. D.
   play a part in; too much

---Please _______ us in the discussion.

---I’d like to, but I’m _______ busy at the moment.

A. attend; too much B. join; far too

C. take part in; much too　　　 D. join; too much