【单项选择】The building（）in 1999.A.built B.is built C.was built D.build【单项选择】The building（）in 1999.A.built B.is built C.was built D.build When（）the accident（）?A.was；happen B.did；happen C.is；happen D.was

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【单项选择】The building（）in 1999.A.built B.is built C.was built D.build【单项选择】The building（）in 1999.A.built B.is built C.was built D.build When（）the accident（）?A.was；happen B.did；happen C.is；happen D.was
【单项选择】The building（）in 1999.A.built B.is built C.was built D.build
【单项选择】
The building（）in 1999.
A.built B.is built C.was built D.build

When（）the accident（）?
A.was；happen B.did；happen C.is；happen D.was；happened

The children（）by the nurse in the kindergarten now.
A. were looked B. are being looked after C. were looked after D. are looking after

That new TV set ____ in China.
A. made B. are made C. makes D. is made