IV. 

1. Mai is interested in making experiments

2. Nguyet is unhappy because she misses her parents

3. Would you take these pieces of toast into the kitchen, please?

4. Which is the most suitable house for Mr Lam and his family?

V. 

1. don't go

2. to have

3. won't visit

4. meeting

VI. 

1. What should you eat?

2. When will your friend go to Mexico?

3. Who takes care of people's teeth?

4. Do you like Geography?

VII.

1. than

2. there

3. an

4. in

X.

1. ... has a table, a chair, a bed and a wardrobe

2. ... is the oldest on the street

IV/

1. Mai is interested in making experiments.

2. Nguyet is unhappy because she misses her parents.

3. Would you take pieces of these toast into the kitchen please?

4. Which house is the most suitable for Mr Lam and his family?

V/ 

1. don't go.

2. to have.

3. isn't going to visit.

4. meeting.

VI/

1.Which healthy food should we eat?

2. When will your friend go to Mexico?

3. Who takes care of people's teeth?

4. Do you like Geography?

VII/

1. than.

2. there.

3.an.

4. in.

IX/

1. The room has a table, a chair, a bed and a wardrobe.

2. My house is the oldest house on the street.