--Haven't you seen Mr. Wilson at the lecture?--Yes, but he had left _________ I could ask him any questions.
#49756
A
when
B
before
C
after
D
as
推荐题目
Walk _______ the post office. You’ll find the shoe shop ______ your left.
#49558
A
through; in
B
over; at
C
past; on
D
down; along
