题目
题型：0110 期末题难度：来源：
A. finish
B. end
C. over
D. been over
答案
核心考点
试题【How long has the conference _____? For half an hour.A. finishB. end C. over D.】；主要考察你对现在完成时等知识点的理解。[详细]
举一反三
A. has been
B. has gone
C. has gone to
D. has been to
A B C D ( ) __________
2. I have known his sister five years ago.
A B C D ( ) __________
3. I real don"t know where he is.
A B C D ( ) __________
4. It has become more difficult seeing my old friend.
A B C D ( ) —————
5.I enjoy chating with you.
A B C D ( ) —————
—Only one day. I bought it yesterday.
A. have, bought
B. did, buy
C. have, had
D. have, been
There _____ great changes in our hometown in the past fifteen years.
A. has been
B. have been
C. had
D. were