Giải giúp Rất mong được câu trả lời

I  1 If you make me some coffee, I will give you a cake

2 If you study hard , you will pass the exam easily

3 the water is not clean enough for us to swim in the part of the river 

4 it started raining so we could not keep on cleaningthe beach

5 Mary was  unhappy after she heard the news

II 

1 slow, slowly

2 careful, carefully

3 have  lived

4did you see