Nêu những đặc điểm quan trọng nhất để phân biệt cá sụn và cá xương? Cho VD cá sụn và cá xương.

1.After class, one of the students always (erase)_________the chalkboard.

2.People(spend)________a lot of money on advertising everyday.

3.The phonograph (invent)_________by Thomas Edison in 1877.

4.For the past year, my mother (do)_________all my washing by hand.

5.No one (belive)______his story.

6.The woman in most countries in the world (give)_________the right to vote.

7.People (think)________that Jack London's life and writing's (represent)_________the American love of adventure.

8.How many marks (give)_________to you by the teacher?

9.The Detective (see)_______the woman (put)_______the jewelry in her bag.

10.Drivers (advise)_____________to use an alternative route by police.

1.I(not be)________hungry. I (not want)______any rice.

2.Wait! Miss Mai (have)______breakfast.

3._____(be) there any oranges?-yes there (be)_____ one

4.______your sister (like)_____lemonade ?

5.My mother(cook)______in the kitchen at the moment. She like (cook)_____very much.

6.They are tired and they'd like(have)______a rest.

7._____ you(write)_____the essay yet?- yes, I (write)_____ yesterday.

8.Minh's sister(fly)_______to Da Nang tomorrow.

1. You (think)_________collecting stamps costs much money ?

2. My father thinks mountain climbing(be)__________more dangerous than skating.

3. Every year, my mother (give)__________ me a nice doll on my birthday.

4. My brother (not like)_______collecting stamps, he likes collecting glass bottles.

5.My sister likes (cook)________very much. She can cook many good foods.

6.Does your brother like (listen)_______to music in his free time?

7. I think in the future, more people(enjoy)______going out by bicycles.

8. My father says when he is retired, he (go)_____back to his village to do the gardening.

9. We are planting trees around our school now. Our school(be)_____surrounded by a lot of green trees.

10. Lan says she loves collecting pens but she (not/continue)_______this hobby from next year.