选出括号中正确的词
1. My brother said he ( is; was) doing his homework.
2. Johnny said he ( can; could) speak Japanese.
3. Mike says he ( goes; went) to Shangbai last Saturday.
4.Wendy's math teacher said she ( was;is) a good student.
5. Gina told him that she ( will; would) visit China the next year.