21. —Where can we park car?
—Don’t worry. There’s sure to be parking lot nearby.
A．the; the B．the; a C．不填; a D．不填; the
22. Mary looked at the picture, wondering where she ______ it before.
A. saw B. has seen C. sees D. had seen
23.---What _____ do you care about most in a person ?
---I especially care if a person tells the truth.
A. virtue B. courage C. strategy D. emotion
