问题

Mr. Wu found that a number of UFOs in the sky ______ in a very short time in surprise.
A:was lost
B:is missing
C:get lost
D:were missing;
B:is missing
C:get lost
D:were missing;
正确答案是:
同类题型
There is ____ interesting ____ today’s newspaper.
_______ , the car stopped all at once.[ ]
The students in the class were four groups before they started the game.
The boy made the same mistakes __________,which,of course,made his parents very angry[ ]
his age, the little boy didvery well to score two goals in the game.