—Do you think ________ useful to read English magazines for English learning?
—Yes, I think it works well.
it
that
this
its
He hurried to the railway station for the last train but didn’t it.
The flight to Guangzhou had to be because of the heavy snow.
-Sandy is upset now. Why don’t we ? -That’s a good idea.
You stand in line while waiting for the bus.
By the time he arrived at the airport, the plane .