非线性电感元件的韦安特性是一条通过原点的直线。( )
查看答案
I have to go to work by taxi, because my car at the garage.
A. is repairing
B. was repaired
C. is being repaired
D. repaired
My trainin New York at eight o'clock tonight.
A. arrives
B. will arriving
C. is going arrive
D. arrived
When I met Mary, she said that shefor an interview the following day.
A. would go
B. has gone
C. went
D. had gone
The book Gone with the Windso well that its copies are out of stock in our store.
A. was selling
B. had been sold
C. was sold
D. sells
微信支付 
支付宝支付