giải giúp em phần trắc nghiệm enm cảm ơn anh chị 25. Mary will _________ here at Christmas. A. is B. be C. are D. being 26. A. dark B. father C. star D. principal 27.We ought _________ the wardrobe in the conner opposite the bed. A. put B. push C. to put D. to push 28.What’s was wrong with you ? Why_________ go to the hospital? A. had you to B. did you have to C. must you D. did you must 29. Can I ________ to Mary, please? This is Nancy. A. speak B. listen C. read D. write 30. A. machine B. chess C. speech D . reach

Giúp em với các anh chị Cho ΔABC vuông tại A. Từ A kẻ AH ⊥BC. Chứng minh: BC+AH>AB+AC

2+4+6+8+.........+2x=156 [x ∈ z]

Giúp mình với các bạn đừng chép mạng

Cm đẳng thức (a+b)^2=a^2+2ab+b^2 nhanh nha mình đang cần gấp

Mn ơi giải hộ mk với ạ , đang cần gấp

Các bạn giúp mình câu 1-2 của phần B với ko cần trả lời câu 5 cuối đâu nha

Cứu mik vs các bn ơi Giúp mik nhanh nha

Làm hộ mình bài 4 và 5 nhé câu chả lời hay nhất cho bn đầu tiên

71. Most streets/ roads/ our city/ narrow/ in bad conditions. 72. Many people/ not strictly follow/ traffic laws/ when using the roads. 73. For example/ they/ cross/ sheet/ wrong places/ ride/ motorbikes/ wrong direction. 74. Many street vendors/ occupy/ pavement/ display/ goods/ sale/ pedestrians/ walk/ in the road. 75. The number of trucks/ our city/ very big/ so/ they/ interfere/ traffic flow. 76. Construction/ houses and buildings/ not carefully planned/ so/ they/ occupy/ surface of the roads. To solve the traffic problems in our city, we should do many things. 77. All streets/ be widened/ and traffic lines/ more logical. 78. We/ encourage/ people/ use public transport/ theft personal vehicles. 79. Heavy penalties/ use/ for/ careless/ dangerous drivers. People/ be educated/ traffic regulations/ at the same time. 80. In short/1 hope/ traffic problems/ our city/ be solved/ so that/ we/ feel/ comfortable/ when/ use the road.