If you have finished your homework, you could _____ cleaning and cooking.[ ]

His sister works ________ a magazine. She’s a reporter.[ ]

When he is free, he often helps his parents ________ some housework.

I’m sorry I can’t play basketball with you this afternoon．I have _____ homework to do．

During his five-day state visit to Japan, Hu Jintao delivered such an ________ speech that all the people present were ________.