_______ that the scientist will give us a talk next month?
A、IstrueB
it在句中作形式主語，that引導的從句是真正的主語。本句運用的是疑問句式。
The Netherlands is the only country in Europe which permits euthanasia, ________ it is not technically legal there.
They built a highway _______ the mountains.
We are glad to receive your telegraphic order of May 6, ______ regret that we can not supply the goods ______ the end of May.
______ are the primary destinations for the Chinese at present.
The consignment certainly does not match the samples ____ you sent us last month.
