【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.builtB.is builtC.was builtD.build

When（）the accident（）?
A.was；happenB.did；happenC.is；happenD.was；happened

The children（）by the nurse in the kindergarten now.
A. were lookedB. are being looked afterC. were looked afterD. are looking after

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