4. —You look unhappy. Why?

—I my homework at home this morning,and my teacher was angry with me.

   A. forget   B. forgot

   C. leave   D. left

3. My father went to work without breakfast.

   A. have   B. having

   C. to have   D. to eat

2. —Dad,I want to go hiking with my friends,but my mom said no!

J know. But you shouldn’t with her.

   A. agree   B. talk

   C. argue   D. discuss

1. —Can you explain ?

—Firstly,be careful when you do it. And secondly,don't give it up.

   A. what to do   B. what to do it

   C. how to do   D. how to do it

               copy,get,offer,return,communicate

1. Doctors do not always have good skills.

2. I very nervous before the test yesterday.

3. When someone has problems at school,we should to help him.

4. He worked out the problem by himself instead of his friend's answer.

5. It is impolite to borrow things without them in time.

③ I will wait I hear from you.

   A. since   B. until

   C. although   D. because

② The little boy saved every coin he could buy his mother a present on Mother's Day.

   A. so that   B. that

   C. in order to   D. until

① they have no money, they are very happy.

   A. Although; /   B. Although;but

   C. Because; /   D. Because;so

② To protect the environment,supermarkets don't free plastic bags for shoppers.

   A. give   B. offer   C. provide   D. sell

① 作為一名志愿者，我將盡最大努力給老年人提供幫助。

As a volunteer,I'll try my best to to old people.