4. The government built a new library last year .
举一反三
- A new factory __in our city last year . A: built B: has built C: was built D: is building
- A new house will have been built here __________ . A: in this year B: for one year C: by the end of the year D: during the last year
- A new bridge _____________ (built) across the river. Work started last year and the bridge is expected to open next year.
- A new library ________. A: is building B: builds C: is being built D: built
- The houses that they built last year ____________ live in.