3.Hearing his returning home safe and sound ______ his pleasure.

A. adds　　　 B. adds to　　 C. adds up to　　 D. adds up

2.Was he about to go out ________ it began to rain?

A. when　　　 B. while　　 C. as　　　　 D. until

1.The fire spread quickly but everyone _______ escape from it.

A. could　　　 B. was able to　　 C. might　　　　　 D. must

10. why→how

9. me→myself

8. best后加to　　　　　　　　

7. √

6. speaking→spoken　

5. or→and　　

4. other→others