The new suspension bridge _______ by the end of last month.
A: has been designed
B: had been designed
C: was designed
D: would be designed
A: has been designed
B: had been designed
C: was designed
D: would be designed
举一反三
- The new teaching building _______ by the end of last month. A: has been bulit B: had been bulit C: was designed D: would be designed
- Our new advertising brochure （）already designed by someone A: was being B: had been C: has been D: have had
- Chinese kites in ancient times ________ in the shape of birds. A: design B: had designed C: were designed D: have been designed
- This area has been __________ (as) a National Park. A: designed B: designated C: assigned
- The system has been designed to give students quick and easy _____ to the digital resources of the library.