由于他的智慧和勤奋，他极有可能成功。 A: He is highly likely to succeed because his intelligence and diligence. B: He is high likely to succeed because of his intelligence and diligence. C: He is highly likely to succeed because of his intelligence and diligence. D: He is high likely to succeed because his intelligence and diligence.

-Is Paul playing basketball for his school?-Well,he ________.But he has given it up and switched to playing volleyball. A: is B: was C: has D: had

_______ such a good chance, he planned to learn more. ( ) A: Since he was given B: Given C: Having been given D: Giving

If I _______ that chance to show my ability, I _______the president of this school. A: have not had； could not become B: had not had； would not have become C: did not have； could not become D: doesn’t have；will not become

(4). Son is unwilling to work in his father's business mainly because _____. A: he wishes to make full use in school B: he wants to prove his independence C: he wishes to do the opposite of what his parents approve of D: he wants to show his love for his parents