2. He didn’t run fast enough to catch the bus .(同义句)

　　 He ran 　　　　　　　　to catch the bus .

1. Did you know ? Has he finished his work ?(合并成一句)

　　 Did you know 　　　　he 　　　　finished his work ?

5. He explained the question again to make himself 　　　(understand).

4. 　　　(chemical)is my favorite subject at school .

3. How many books 　　　　you 　　　(read)during the past two weeks ?

2. When I got to the cinema , the tickets 　　　(sell)out .

1. My shoes are worn out . I will have them 　　　(mend)this afternoon .