=>
1. There’s a workbook accompanying the course book.
2. These students had a lot of homework to do.
3. There was no place for us to sit.
4. It was clever of him to work out the answer.
5. I noticed him crossing the road hurriedly.
6. It's not dark enough for us to see the stars clearly.
7. You shouldn't lend Tom money.
8. Her parents didn't let her buy a motorbike.
9. The garden is too small for us to play football in it.
10.It was difficult to reach the other cities.
11. It's difficult for old people to shop in supermarket.
