Choose the correct forms to complete the following questions. There are direct and indirect questions.

1) I don’t know the answer. How many times _____ to tell you?
1. do I have
2. I do have
3. I have
2) I don’t know _____ so unhappy.
1. why is he always
2. why he's always
3. whether is he always
3) Do you have any idea when _____ ?
1. will be the results published
2. the results will be published
3. will the results be published
4) How many people _____ for the party?
1. called you
2. you called
3. did you call
5) I wonder _____ .
1. how this cold weather will last
2. how long this cold weather will last
3. how long will this cold weather last
6) Did she tell you how often _____ ?
1. do you take the vitamins
2. should you take the vitamins
3. you should take the vitamins
7) I’d like to know _____ for the experiment.
1. whether can I use the new product
2. whether I can use the new product
3. if I can use the new product
8) Could you tell me why _____ ?
1. do you leave
2. you are leaving
3. are you leaving
9) Can I ask you how long _____ here?
1. have you been living
2. have you lived
3. you have been living
10) Why _____ ?
1. I wouldn't call her
2. I shouldn't call her
3. shouldn't I call her