1.expensive that they can't buy

2.difficulty to learn E grammar

3.took his umbrella because it was raining

4.so old that he can't work very hard

5.he would be absent from the class dicussion tomowrrow

6.it would be nice to travel to dalat by train

7.him 20 minutes to type her lesson plan

  20 minutes typing her lesson plan 

8.of wearing morden clothing at work

9.this exercises is not easy

10.to work for this company

11. hate i  staying in a noisy room

12.nga is sick today,she can't go to school

13.an difficult test that i can't do it 

14.3 hours from hcm city to singapo by plane

1. The house is so expensive that they can't buy it.

2. I have difficulty in learning English grammar. 

3. He took his umbrella because it was raining.

4. My grandfather is old, so he cannot work very hard.

5. I wish he wouldn't be absent from the class discussion.

6. I wish I could travel to Dalat by train.

7. It took him 20 minutes to type her lesson plan.

8. He's fond of wearing modern clothing at work.

9. Doing this exercise is not easy.

10. My father used to work for the company.

11. If only I didn't stay in a noisy room.

12. Because Nga is sick today, she can't go to school.

13. It is such a difficult test that I can't do it.

14. It only takes three hours to fly from HCM to Singapore.

Cho *Hành* xin ctlhn nhó !

*Pé Hành*