.When _____ my childhood, I get lost in happy memories of times now gone forever. 
#76441
A
looking out for
B
looking forward to
C
looking back on
D
looking down on
推荐题目
It’s a pity that the quarrel________their friendship.
#71273
A
broke up
B
put down
C
took away
D
gave up
 “What’s her name?” “Sorry, I _____.” 
#81708
A
forget
B
forgot
C
had forgotten
D
am forgetting