keep a watchful eye on the bridges keep a lid on sth This web page provides the solution and explanations for a reading passage about microwave sensors that monitor the condition of bridges. It also has questions and answers for testing your comprehension of the passage
keep it up là gì Keep it up: giữ nó lên, giữ vững thành tích ở mức cao. Cấu trúc này được sử dụng để khuyến khích người nào đó tiếp tục làm việc gì. Ex: You are doing a good job! Keep it up! Bạn đang làm rất tốt! Giữ nó lên Keep track of là gì? Keep track of: theo dõi. S + keep track of + someone/something
a chronicle of timekeeping Learn about the history and evolution of time measurement from ancient Babylonians to modern clocks and computers. This passage is a sample for IELTS academic reading test with questions and answers
