--- I can’t go for a picnic with you because something urgent has _____. ---What a shame! 
#12130
A
come up
B
cleared up
C
stayed up
D
ended up
推荐题目
 - The water was left running all night long.- Yes. It seemed that John ___. He was the last one to leave the lab.
#12275
A
was to be blamed
B
was to blame
C
had been blamed
D
should be blamed
_______ people in the world are sending information by e-mail every day.
#14043
A
Several million
B
Many millions
C
Several millions
D
Many million