The answer on page 23 of "Two Guidance and Two Practice" in the second volume of the fourth grade of Jiangsu Education Edition.

2.A F Central Bank

3. Teachers take cars, writers, singers, artists, TV reporters.

1.③ ② ④ ⑥ ① ⑤

2. 1) B 2) A 3) B 4) B 5) A

three

1. 1) × 2) × 3) √ 4) √ 5) √

four

2. Salesmen, doctors, police, cleaners, farmers and students

3.C D A B

five

1. 1) Doctor 2) Salesman 3) Cleaner 4) Artist 5) Teacher

2. 1) Where can I get the doctor by bus?

2) What singer? Where does she work? How does she fly to work?

3. 1) E 2) D 3) C 4) A 5)B

six

2. 1) B 2) B 3) C 4) C 5) C

3. 1) Engineer 2) Salesman 3) Where does Mark work 4) He often walks to work.