mng giúp em vớiiiiiiiiiiiiiiiiiiiiiiii

When he was young he .... fishing twice a mounth A. Go B. Goes C.gone D. Went

Hộ mk câu nghị luận xã hội này vs

Tổ tiên của Bò sát là loài nào? Hãy giải thích sự ra đời của khủng long.

Cho em hỏi bài 4 vs ạ🙏🙏🙏🙏🙏🙏🙏🙏🙏

viết đoạn văn ngắn về tinh thần học tập của lớp em có cấu trúc từ đến

11. Find one mistake in the following sentence. Choose A, B or C. {A} (I’m visiting) Scotland this summer because this country {B} (have) various beautiful scenery and Scottish people {C} (are) very friendly. Select one: A B C 12. Find one mistake in the following sentence. Choose A, B or C. (A) Australia is the (B) most successful World Cup team. It (C) won the tournament five times until now. Select one: A B C 13. Find one mistake in the following sentence. Choose A, B or C. Nam (A) spends one hour (B) every days (C) learning English by himself. Select one: A B C 14. Find one mistake in the following sentence. Choose A, B or C. (A) Tomorrow Jack and Joey (B) meeting each other in the school library (C) to study for the end of term test. Select one: A B C 15. Find one mistake in the following sentence. Choose A, B or C. Trang (A) hasn’t spoke Vietnamese (B) since she (C) moved to Canada three years ago. Select one: A B C 16. Drag the correct word/phrase into the box to complete the sentence. I have______visited Ireland twice and I’m going there this summer. (already) (yet) (often) 17. Drag the correct word/phrase into the box to complete the sentence. Linh is learning English with her Singaporean teacher via Skype_______this moment. (at) (in) (on) 18. Drag the correct word/phrase into the box to complete the sentence. Trang participates in her English club________times a week to improve her speaking skills. (three) (twice) (every) 19. Drag the correct word/phrase into the box to complete the sentence. Nam_________English outside classroom so his speaking skills are really weak. (doesn’t usually speak) (don’t usually speak) (usually speaks) 20. Drag the correct word/phrase into the box to complete the sentence. America has celebrated Thanksgiving Day on the fourth Thursday of November_______1864. (since) (for) (before) giúp mình với Khó quá

Cho tam giác ABC vuông tại A (AC>AB) đường cao AH . Trong nửa mặt phẳng bờ AH chứa C vẽ hình vuông AHKE a,Gọi P là điểm đối xứng của AC và KE chứng minh 2 tam giác AEP và AHB bằng nhau Giúp mình với mình đang cần gấp!!

Xác đinh hệ số a,b,b',c.Tính biệt thức Denta phẩy rồi tìm nghiệm của các phương trình sau: 1)x^2-6x+8=0 2)9x^2-12x+4=0 3)-3x^2+4x-4=0

Giúp mình với ạ . Cảm ơn mọi người