You be tired after playing sports for a long time without a rest.

Tom and David are both my good friendsDavid seems very serious, _____ Tom has a good sense of humor.[ ]

On the way back home from the ball, she suddenly found her necklace________. [ ]

Would you mind _____ me how _____ this physics problem

_____ the youth to the rising sun at 8 or 9 a. m. Mao Zedong expressed his great hope for the young men.[ ]