which wasa sound round the electric wires of a 1which wasa sound round the electric wires of a 16000-volt power line.这句是主谓还是系表(⊙o⊙)

问题描述:

which wasa sound round the electric wires of a 1
which wasa sound round the electric wires of a 16000-volt power line.这句是主谓还是系表(⊙o⊙)

主谓