Make sentences. 连词组句。

1. metres, am, ta11, 1.34, I (.)

2. park, in, play, We, the, can (.)

3. wearing, is, she, What (?)

4.is, address, Ninth,942, Avenue, My (.)

晶闸管变流可逆装置中出现的“环流”是一种有害的不经过电动机的电流，必须想办法减少或将它去掉。