5道英语选择题谢谢

5道英语选择题谢谢
I predict he will be an engineer ___ ten years because he is so interested in making things.
A.inB.after C.laterD.for
If there ___ no buying and selling of animals, there ___ no killing in nature.
A.is,will heB.will be,will beC.is,isD.will be,is
We're very glad to know that a great sports meeting ___ in Guiyang this September.
A.will holdB.will be heldC.will be hold