30. Henry _______ into the restaurant when the writer was having dinner.

A. was going B. went C. has gone D. did go

31. He will take the dog out for a walk as soon as he ______ dinner.

A. finish B. finishes C. will finish D. finishing

32. I will be glad if he _______ with us.

A. had gone B. did go C. went D. goes

33. Ask her to come and see me when she _______ her work.

A. finish B. has finished C. finished D. finishing

34. Turn off the gas. Don't you see that the kettle ________?

A. boil B. boils C. is boiling D. boiled

35. Tom and Mary ______ for Vietnam tomorrow.

A. leave B. are leaving C. leaving D. are left