8.The iron-steel bridge _______ now.
A: is being built
B: is building
C: builds
D: was building
A: is being built
B: is building
C: builds
D: was building
举一反三
- Look ! The building ________ now is our teaching building . A: being built B: built C: to be built D: building
- A new library ________. A: is building B: builds C: is being built D: built
- A big chemical plant _______ in the suburbs of the city now. A: is building B: is being built C: is being building D: is built
- A new house （） at the corner of the road now. A: is building B: is being built C: be building
- An iron and steel works, with several satellite factories, ______ in that city now. A: is built B: is being built C: were built D: are being built