1.1.7. Complete the sentences using how, wihat, when, where, who whom. For some statements there may be more than one choice.
1. We are sure... to do it.
2. The boss is uncertain... to assign someone else to the project.
3, Tom is careful about... to deal with. He is particular about his business partners 4. My friend is careful about ...to deal with. She deals only with what is adequate.
5. We are not always sure.... to refuse
6. You are sometimes uncertain ....to accept
7. Are you certain... to assign to this job? 8. Sam is undecided... to leave.
9. My friends are sure.... to go tonight

1. We are sure how/when/where to do it. 2. The boss is uncertain how/when to assign someone else to the project. 3, Tom is careful about who/whom to deal with. He is particular about his business partners. 4. My friend is careful about what to deal with. She deals only with what is adequate. 5. We are not always sure how/when/who/whom to refuse 6. You are sometimes uncertain how/what/when/where to accept 7. Are you certain  who/whom to assign to this job? 8. Sam is undecided how/when to leave. 9. My friends are sure when/where to go tonight.