Underline the correct word or phrase for each sentence.
1. He phoned to ask his mother what she was doing now / then.
2. Ann wondered what plants Vietnamese people grow / grew for food.
3. Peter phoned the shop to ask what specialities they are selling there / here.
4. The student asked his professor what forms of life can / could exist on Mars.
5. He wanted to know how many planets there were / were there in our solar system.
1. then
2. grew
3. there
4. could
5. there were
1. then
2. grew
3. there
4. could
5. there were