—when shall we meet for the hiking trip. — Let’s make it half past eight___ the morning of June 21.
A.at
B.on
C.in
D.by
正确答案是B
—when shall we meet for the hiking trip. — Let’s make it half past eight___ the morning of June 21.
A.at
B.on
C.in
D.by
正确答案是B