40. ---Has Tim started? He said he would join in the party.

　---He ______. He is a man of keeping his word.

A. could have left　　　 B. must have left　　　 C. can’t come　　 D. won’t be coming

39．The children, ________ their lessons for the day, went home from the grammar school.

　 A. To finish　　　　 B. finishing　　　　　 C. having finished　　 D. to have finished

38. ---Is Bob still working in your school?

　--- I’m afraid not. He is said ______ and ______ in a private school recently.

　 A. to resign(辞职), to teach　　　　　　 B. to have resigned, teaching

　 C. having resigned, to be teaching　　　 D. to have resigned, to be teaching

37. ______ you are an adult, you should carry out your responsibility and never rely on your parents.

　 A. Even though　　　　 B. The moment　　　　　 C. Provided that　　　 D. Now that