Question

You’d better make a mark ______ you have any questions.

A．at which

B．at where

C．the place

D．where

Answer 1

D

試題分析：句意：你最好在有疑問的地方做個標記。考查地點狀語從句。所以用where引導。如果加上at可以改成 at a/the place where ，where 在這兒引導的定語從句。place 做了at的賓語。