CHỌN ĐÁP ÁN VÀ GIẢI THÍCH VÌ SAO CÁC CÂU KHÁC KHÔNG PHẢI ĐÁP ÁN ĐÚNG ĐỂ MÌNH HIỂU NHA =))))

Câu 3:  CaO tác dụng hoàn toàn với nhóm chất nào sau đây?

 A.  Fe₂O₃, HCl, P₂O₅.                                                B.  NaOH, H₂SO₄, Fe.   

 C.  H₂O, NaCl, SO₂.                                                   D.  H₂O, HCl, CO₂.

Câu 4: Oxit nào tác dụng được với nước?

 A.  SO₂.         B.  Fe₂O₃.                         C.  CO.             D.  Al₂O₃.

giải thích giúp em tại sao lại chọn đáp án in đậm mà lại không chọn đáp án khác ạ

1.  My brother has trained as a professional gamer  _____   he graduated from high school.

        A. when                      B. while                      C. since

2.  I have to work _____   the best way to shoot an episode.

       A. for             B. off                     C. out

3.  Hurry up! We only have ________  time left before the teacher leaves.

         A. a little           B. a few                 C. a lot of                    D. much

4.  Eating out is very costly in district 1! There aren’t   _____  cheap restaurants.

A. some    B. much           C. any     D. a little

Giải thích bài này nhé, giải thích vì sao mỗi câu này lại chia ở Thì hiện tại đơn hoặc Thì hiện tại tiếp diễn nha, mình có đáp án cho mỗi câu rồi, giờ các bạn chỉ cần giải thích nha.

1. The train arrives at 9 at night.

2. Giovanni is coming to spend the weekend with us.

3. What time are you going to fireworks competition on Wednesday?

4.What time does the film start?

5. Does the correct begin at 7 or 8?

6. We are having a dinner party on friday and we want to invite you.

7. Most shops in Spain opens until 10 am.

8. What time does the horse racing finish?

9. Where do you stay in Bangkok?

10. My taewondo classes start next week.

11. Our flight land in London at 4 o' clock in the afternoon.

12. Everything's arranhed.We are moving house this Saturday.

13. We meet at the museum this afternoon at four.

14. I'm sorry. I can't meet up this weekend. We go to Wales.

15. We are doing the gardening at 6 tomorrow morning.

16. This is a terrible film Tony! When does it finish?

17. The library closes in five minutes and I have four books to return.

18. After this lesson, I am seeing a friend at McDonald's for a burger and a chat.

19. Are you using your motorbike tonight? I want to borrow it.

20. The plane leaves at 10 am.

ai giải thích giúp mình hai câu này với ạ,đáp án là A và C

GIẢI THÍCH GIÚP ĐÁP ÁN GIÚP MÌNH VỚI Ạ

Choose the correct answer A, B, C, or D.

1. I suffer from depression and anxiety, but I don’t know                                  to get over my problems.

      A. what                       B. how                        C. where                      D. which

2. Mr. Tan told us that the kids who        in tests often                the others were lucky.  

      A. succeed – thought                                      B. succeed – had thought

      C. didn’t succeed – were thinking                  D. didn’t succeed – thought

3. Miss Hoa said that unsuccessful test takers didn’t know                   the questions came from.

      A. when                      B. where          C. what                       D. why

4.     I want to talk to my teacher about my problems, but I have no idea                    to start, or                    to talk to him.

      A. what – where          B. where – who           C. why – whom           D. where – how

5. As children move toward                               , they are less likely to ask for advice.

            A. dependent  B. dependence C. independent           D. independence

6. Jeff wanted to know                . 

      A. that why were his friends laughing            B. why were his friends laughing

      C. why his friends were laughing                   D. the reason why his friends laughing

giải thích đáp án giúp em bài này với ạ

1.  My brother has trained as a professional gamer  _____   he graduated from high school.

        A. when                      B. while                      C. since

2.  I have to work _____   the best way to shoot an episode.

       A. for             B. off                     C. out

3.  Hurry up! We only have ________  time left before the teacher leaves.

         A. a little           B. a few                 C. a lot of                    D. much

4.  Eating out is very costly in district 1! There aren’t   _____  cheap restaurants.

A. some    B. much           C. any     D. a little