John regretted --------to the party last week, for it seemed

John regretted ________to the party last week, for it seemed very funny. A. not going B. not to go C. going D. to go
The boy______ at the corner is my cousin. A. who standing B. standing C. stands D. who stand 3 Though famous throughout the world, Yuan Longping, ______ with his simple life is still busy ________his super-hybrid rice. A. satisfied; improved B. satisfying; improving C. satisfied; improving D. satisfy; to improve 21. Only____________ succeed in learning English. A. by working hard we can B. by working hard can we C. we can by working hard C. can we by working hard 22. The teacher was so _______that the students should give such an_________ answer.