问题

______ English is ______ useful language.
A:A , an
B:/ , a
C:The , an
D:/ , an
B:/ , a
C:The , an
D:/ , an
正确答案是:
同类题型
If you have difficulty in learning English, you should ask your teachers or your classmateshelp.[ ]
I like to ______ my car to work.-But I like to go ______ subway.
.—____ did you leave the classroom? —____ I saw my daughter sit down and read her book.