—Excuse me, but could you tell me how to
题型：选择题
问题：
— Excuse me, but could you tell me how to get to the post office?
— Keep ____ straight for two blocks. The post office is right on your left. [ ]
A. to go
B. go
C. to going
D. going
— Excuse me, but could you tell me how to get to the post office?
— Keep ____ straight for two blocks. The post office is right on your left. [ ]
A. to go
B. go
C. to going
D. going