—Kathy and her sister are so alike.—I can’t tell one from ____.
.—What do you mean. There are only ten tickets?—There ______ be twelve.
.Jane is said _______ an opera singer in her youth.
.It is in Qingdao ______ you are going to pay a visit to ______ this kind of washing machine is produced.
.The boy who was caught ________ in the examination room will be punished by the teacher.
.Last year the factory ______ over six million records.