. I want to be very careful to talk only about ____ we've formally tested.
If you ___ nature, you will not succeed in the end.A. go with B. go against C.against D, be against
Do you __ your son to be a doctor?
All passengers ___ to show their tickets next time.
He placed one of the arrows __ his bow.
___ from a plane, the Great Wall looks like a huge dragon.