6. The lake they had been playing on is a former open-cast mining site which has only recently been transformed ___ a countryside park.
举一反三
- The park, which （ ） the monument, has recently been enlarged because more and more city residents like to go there to relax. A: disposes B: closes C: encloses D: dispatches
- The countryside has also been _ by the largescale.
- What has been the man busy with recently? A: his study B: his work C: the movie D: the park
- What a rainy summer we’ve had! Yes, there______ only 3 sunny weekends the whole summer. A: have been B: are C: had been D: has been
- The shop is new, _____ it has been open only for three days. A: for B: and C: but D: so