The glass door have taken the place of the wooden ones at the entrance, _____ in the natural light during the day. 
#91660
A
to let
B
letting
C
let
D
having let
推荐题目
There was an _________ expression on her face when she came in.
#94471
A
amused
B
amusing
C
amuse
D
amusingly
Mary hasn't decided whether to take up tennis, basketball, or ___.
#97774
A
beginning to play football
B
begin to play football
C
beginning playing football
D
to beginning playing football