—Guess what!I came across an old friend at the party last night.
—______ I' m sure you had a wonderful time.

—Guess what!I came across an old friend at the party last night.

—______ I' m sure you had a wonderful time.

A．Good idea !                            B．Very well.

C．How nice!                             D．All right.

---Guess what! I came across an old friend at the party last night.

---      I’m sure you had a wonderful time.

—Guess what! I came across an old friend at the party last night.

—________ I’m sure you had a wonderful time.

A. Sound good!  B. Very well.       C. All right.         D. How nice!

—Guess what! I came across an old friend at the party last night.

—______. I’m sure you had a wonderful time.

A. Sounds good!     B. All right    C. Very well.  D. How nice!