b

2 on

3 at

4 from-to

5 on

6 by the sea(gần biển)

7 at

8 in

9 in

10 at

11 at-in

12 on

giới từ thì mình chỉ nhớ thôi chứ không giải thích được ạ

1 professionals

2 housekeeping

3 alternative

4 enrollment

5 academically

6 adaptable

7 technician

8 empathize/empathise

9 engineering

10 left... (their) jobs.... câu này mình không chắc lắm ạ

He suggested visiting trang an ,a natural wonder of our area.

sau suggest là V-ing ạ

đề hình như đâu có đâu ạ @@

1. If you do morning exercise regularly, you will be fit. 

2. If you drive carefully, you will not have accidents.

3. If you work harder, you can improve your English

4.  If you practice your English regularly ,your English will be improved.

5. If you are careful, you will not break the vase.

6. If you don't work harder, you’ll get poor marks.

7.  If they work hard enough, they can pass the exam with flying colors.

If they don’t work hard enough, they can not pass the exam with flying colors.

 8. If she is lucky, she may get a good job. 

If she isn’t lucky, she may not get a good job.