Fill in the blanks

cho mình đáp án và giải thích vì sao luôn ạ

1.Nam is very happy (help)........... his grandfather with (plant)............. roses in the garden

2. He says he detests (read)........... science fiction

3. Listen to this ! I think this news (surprise)............. you

4. The statue (break)................. while it (move)............... to another room in the museum

5. People used (make)................ fire by(rub).................. two sticks together

6. It is our fault to keep Alice (wait)............... so long . We (imform)............. her in advance