问题
选择题
－Your hometown has changed a lot.
－Yes. Take a look at these tall buildings. They _____ last year. [ ]
A. build
B. were built
C. built
D. was built
答案
答案：B
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－Your hometown has changed a lot.
－Yes. Take a look at these tall buildings. They _____ last year. [ ]
A. build
B. were built
C. built
D. was built
答案：B