The message is very important, so it is supposed         as soon as possible. 
#66492
A
to be sent
B
to send
C
being sent
D
sending
推荐题目
John____Tom by a yard and____the race last year.
#83537
A
defeated; won
B
was beat; got
C
defeated; got
D
was beat; won
.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