When I was doing shopping last Sunday, I ______ Mr. Smith in the street.

A．came across       B．came about        C．came along        D．came up with

When I was doing shopping last Sunday, I ______ Mr. Smith in the street.

When I was doing shopping last Sunday, I ______ Mr. Smith in the street.

1. A.
   came across
2. B.
   came about
3. C.
   came along
4. D.
   came up with

  I _______ Mr. Smith since he moved to Shanghai.

A. didn’t hear from           B. don’t hear from  

C. won’t hear from           D. haven’t heard from

I' ll never forget Mr. Smith,       help we had made great progress.

A．with his           B．with whose        C．his               D．who