Mr. Green ____________ to the manager now. You’d better call him later.
、This question is ______ easy, all the students can answer the question.
We should talk in English as ______ as possible.
---Is Mr Hu in the reading room? ---No, he _______be there. He has gone to Tianjin.
Some of her best loved photos are ___ display in this exhibition .
________ important news! A. How B. What C. What an D How an