Complete the following sentences using appropriate words or phrases. Each question is followed by four suggested answers. Choose the most appropriate one.

1. The network of blood vessels connects every cell of the body, ………………………………….. dependent on blood.

a) each of they

b) each of them

c) them each

d) each them

2. After putting it off three times, we ……………………………………….. managed to have a holiday in Greece.

a) at last

b) finally

c) in the end

d) at the end

3. In some languages there are very complicated rules ………………………………………… to older or more important people.

a) about how to speak

b) about speak

c) about how to speaking

d) about speaking

4. Blood ………………………………………….. essential nutrients to the cells of the body, carts away waste products, fights infection and heals wounds.

a) is delivering

b) delivers

c) delivered

d) has delivered

5. Some tumors stop growing once they have reached a certain size, while others continue ………………………………………..

a) to grow

b) to growing

c) grow

d) with growing

6. Finding a way ……………………..…………… which tumors will lie dormant and which will spread is one of the most important goals of cancer research.

a) to predict

b) to predicting

c) of predict

d) with predicting

Answers

1. The network of blood vessels connects every cell of the body, each of them dependent on blood.

2. After putting it off three times, we finally managed to have a holiday in Greece.

3. In some languages there are very complicated rules about how to speak to older or more important people.

4. Blood delivers essential nutrients to the cells of the body, carts away waste products, fights infection and heals wounds.

5. Some tumors stop growing once they have reached a certain size, while others continue to grow.

6. Finding a way to predict which tumors will lie dormant and which will spread is one of the most important goals of cancer research.