一、
1. C
2. B
3. A
4. D
5. C
6. C
7. A
8. D
9. B
10.D
11.A
12.A
13.D
14.D
15.C

二、
1. At
2. in
3. with
4. On
5. with
6. on  in
7. on

三、
1. between  and
2. By bus.
3. at weekends
4. in danger
5. on time
6. is interested in
7. are strict with
8. shout at

四、
1. in
2. on
3. at   on
4. on
5. at

6. on
7. By
8. in
9. on
10. by

一、
1. C
2. B
3. A
4. D
5. C
6. C
7. A
8. D
9. B
10.D
11.A
12.A
13.D
14.D
15.C

二、
1. At
2. in
3. with
4. On
5. with
6. on  in
7. on

三、
1. between  and
2. By bus.
3. at weekends
4. in danger
5. on time
6. is interested in
7. are strict with
8. shout at

四、
1. in
2. on
3. at   on
4. on
5. at

6. on
7. By
8. in
9. on
10. by