问题
Mr Philip has made ______ survey on students’ lunchtime, and ______ survey shows us a lot of problems.
A:an; an
B:the; the
C:a; the
D:the; a;
B:the; the
C:a; the
D:the; a;
正确答案是：
同类题型
, what we have done is destroying the earth; only by changing we live we save it.
_______ nice weather it is today! The boysare playing _______ outside in the open air.
I like sleeping with the windows open _______ it rains.
Mr. Brown got up early __________ catch the early bus.
The girl looked at me with a____expression Maybe the problem was quite ___