What inventions have really made a difference in the last 150 years?
举一反三
- Through years of our _______ efforts, we have at last achieved what we have today.
- Through years of our _______ efforts, we have at last achieved what we have today. A: pain B: painful C: painless D: painstaking
- Great changes have taken place _______. A: in the last few year B: in the last few years C: in the past few years D: on the last year
- 中国大学MOOC: Changes made to the construction codes in Tokyo during last 30 years have renewed the citys buildings and highways, making them more ________ to earthquake.
- 2. In what way have inventions such as the motorcar and the aircrafte brought us benefits?