31. Internet shopping is really _____________ when people are sure of its safety and security.
He transplanted the young tree to the park ____ it was the best time for it .
—It is a lovely day ,isn`t it ?— yes,______?
I always take something to read when I go to the doctor`s ____I have to wait.A. in case B so that C in order D as if
-You couldn’t have chosen a better way to solve the issue, I think.-________________.
The scientists are able to ____________ accurately when the spaceship will reach the moon.