---It is reported that a Boeing 777-200 plane became lost in communication (失去联系) at midnight __________ the early morning of March 8th． ---I was amazed to hear that.
#46061
A
at
B
in
C
on
D
of
推荐题目
Sometimes I work ________ the day and sometimes _________ night.
#48953
A
on, at
B
at, on
C
at, in
D
in, at
To improve his English，he spends _______one hour a day listening to English programmes.
#50556
A
at last
B
at least
C
at once
D
at all